Headlines

  • Red Sox To Extend Aroldis Chapman
  • Red Sox Release Walker Buehler
  • Pirates Place Isiah Kiner-Falefa On Outright Waivers
  • Randy Rodriguez Recommended To Undergo Tommy John Surgery
  • Padres Place Xander Bogaerts On IL With Foot Fracture
  • Cardinals To Promote Jimmy Crooks
  • Previous
  • Next
Register
Login
  • Hoops Rumors
  • Pro Football Rumors
  • Pro Hockey Rumors

MLB Trade Rumors

Remove Ads
  • Home
  • Teams
    • AL East
      • Baltimore Orioles
      • Boston Red Sox
      • New York Yankees
      • Tampa Bay Rays
      • Toronto Blue Jays
    • AL Central
      • Chicago White Sox
      • Cleveland Guardians
      • Detroit Tigers
      • Kansas City Royals
      • Minnesota Twins
    • AL West
      • Houston Astros
      • Los Angeles Angels
      • Oakland Athletics
      • Seattle Mariners
      • Texas Rangers
    • NL East
      • Atlanta Braves
      • Miami Marlins
      • New York Mets
      • Philadelphia Phillies
      • Washington Nationals
    • NL Central
      • Chicago Cubs
      • Cincinnati Reds
      • Milwaukee Brewers
      • Pittsburgh Pirates
      • St. Louis Cardinals
    • NL West
      • Arizona Diamondbacks
      • Colorado Rockies
      • Los Angeles Dodgers
      • San Diego Padres
      • San Francisco Giants
  • About
    • MLB Trade Rumors
    • Tim Dierkes
    • Writing team
    • Advertise
    • Archives
  • Contact
  • Tools
    • 2025-26 MLB Free Agent List
    • 2026-27 MLB Free Agent List
    • Contract Tracker
    • Transaction Tracker
    • Agency Database
  • NBA/NFL/NHL
    • Hoops Rumors
    • Pro Football Rumors
    • Pro Hockey Rumors
  • App
  • Chats
Go To Pro Hockey Rumors
Go To Hoops Rumors

Seth Halvorsen

Rangers, Mariners Eyeing Rockies’ Relievers

By Steve Adams | July 29, 2025 at 5:40pm CDT

The Rockies, more open to dealing at this year’s deadline than in seasons past, have been open to offers on controllable young relievers in their bullpen. The Rox have several power arms who could appeal to bullpen-needy contenders, and two teams that have been eyeing them recently are the Rangers (per Evan Grant of the Dallas Morning News) and Mariners (per Daniel Kramer of MLB.com).

Grant reports that the Rockies are under the impression that right-handers Jake Bird, Victor Vodnik and Tyler Kinley are all available via trade. As a veteran in the final guaranteed season of his contract, Kinley is a fairly straightforward trade candidate. But Bird, who’s controlled three years beyond the current season, and especially Vodnik, who’s controlled for an additional four years, stand as the types of player Colorado wouldn’t even consider moving at prior trade deadlines.

Kinley, 34, is making $3MM in 2025 and has a $5MM club option with a $750K buyout. He’s sporting an ugly 5.66 ERA but more appealing secondary marks. The 6’4″ righty is averaging 95.2 mph on his four-seamer but uses his slider as his primary offering (60.1%), which has surely contributed to a hefty 14% swinging-strike rate. That’s a well above-average mark and could portend an uptick in Kinley’s 23.8% strikeout rate, which is only a bit better than average. Kinley’s 12.6% walk rate needs work, but he’s shown better command in the past. Metrics like FIP (4.14) and SIERA (4.15) both feel he’s been better than his ERA, and other clubs might be intrigued to see what he could do with more analytical input than the Rockies provide.

Bird, 29, was excellent through the end of June but has had a brutal month in July. He’s been rocked for 15 runs (14 earned) in just 6 2/3 innings since the calendar flipped, ballooning his once-terrific 2.63 ERA all the way to 4.73. He has roughly average velocity but makes good use of a sinker/slider/curveball repertoire to miss bats and keep the ball on the ground at above-average levels. In 53 1/3 innings — Bird frequently works more than one inning per outing — he’s fanned 26.3% of his opponents against a 9.7% walk rate. Bird’s 48% ground-ball rate is well above average, and he’s done a nice job avoiding home runs both in 2025 (0.84 HR/9) and in his career (0.90).

The 25-year-old Vodnik would be valued most highly of the trio mentioned by Grant. He’s in just his second big league season and is sporting a tidy 3.19 ERA with an above-average 23.9% strikeout rate and a massive 56.6% ground-ball rate in 31 frames. Vodnik averages a blistering 98.6 mph on his fastball and just under 92 mph on his “changeup.” However, Vodnik doesn’t quite miss bats at the level one might expect from someone with such a powerful arsenal. The results have been strong nonetheless, though Vodnik’s 4.12 FIP and 4.11 SIERA (driven by his shaky command) point to some potential regression.

Vodnik and Bird, in particular, seem like they’d hold appeal to a Rangers club that has some reluctance to exceed the luxury tax threshold. Neither has reached arbitration yet, so neither would add to the club’s luxury obligations. Kinley would have just $951K left on his contract by the time the deadline rolls around, though the $750K buyout on his 2026 option would also come into play.

Bird is also on the Mariners’ radar, per Kramer, who notes that Seattle has “heavily” scouted him and bullpen-mates Juan Mejia and Seth Halvorsen. Mejia is a particularly obscure trade candidate, given that he just made his MLB debut earlier this year. He’s pitched 36 innings and logged a 4.50 ERA but with a 3.78 FIP and 3.60 SIERA. He’s set down 23.7% of his opponents on strikes and walked 8.6% of the hitters he’s faced.

Mejia is a pure two-pitch reliever with a four-seamer that averages 96.2 mph and a slider sitting 82.9 mph. He’d be controllable for a full six years beyond the current season and is in the second of two minor league option years. That’d give Seattle plenty of long-term control and flexibility.

Halvorsen, 25, is arguably the most appealing of the whole group. His 4.99 ERA is pedestrian, but he’s averaging 100 mph on his four-seamer, inducing chases off the plate at an above-average rate and sporting a 13.2% swinging-strike rate. The flamethrowing young righty has punched out just 20.9% of his opponents but fanned batters at a 28.9% rate during last year’s debut (albeit in a smaller sample of innings). His 11.6% walk rate is too high, but his 54.4% grounder rate is excellent.

Halvorsen only briefly got a look late last season and hasn’t been optioned since first being selected to the big leagues. As such, he has a full slate of three option years. He’s controlled for five more years beyond the current season. Pitchers who average 100 mph or better and keep the ball on the ground at such high rates are rare breeds, and Halvorsen’s chase rate, swinging-strike rate, minor league numbers and 2024 results all suggest there could be more strikeouts in the tank as well. His command has never been great, and that’ll be the challenge for the Rockies or another club to unlock, but the raw tools in Halvorsen’s arsenal are tantalizing.

Whether the Rockies actually bite the bullet and trade any of their controllable relievers is an open question, but there’s a relatively limited supply of relievers controlled beyond the current season and a large number of teams hoping to acquire such pitchers. Beyond the Rangers and Mariners, each of the Phillies, Tigers, Yankees, Dodgers, Mets and Cubs have been linked to relievers with multiple years of club control. One long-shot possibility, Cleveland’s Emmanuel Clase, was removed from consideration earlier this week when he was placed on administrative leave amid MLB’s ongoing gambling investigation.

While there are plenty of bullpen arms available on the market, many of them (e.g. Ryan Helsley, Raisel Iglesias) are free agents at season’s end. Teams like the Pirates (David Bednar, Dennis Santana), Guardians (Cade Smith) and particularly the Twins (Jhoan Duran, Griffin Jax) have set lofty asking prices on the bullpen arms they control beyond the current season. The Rox will surely have a hefty asking price on relievers like Vodnik and Halvorsen, but the demand for controllable bullpen help could present them with an opportunity to provide a jolt to a weak farm system.

Share 0 Retweet 0 Send via email0

Colorado Rockies Seattle Mariners Texas Rangers Jake Bird Juan Mejia Seth Halvorsen Tyler Kinley Victor Vodnik

34 comments

Rockies Willing To Entertain Offers On Victor Vodnik, Seth Halvorsen

By Anthony Franco | July 25, 2025 at 8:52am CDT

The Rockies are willing to field offers on relievers Victor Vodnik and Seth Halvorsen, report Katie Woo and Will Sammon of The Athletic. Unsurprisingly, The Athletic notes that the Rox have a high asking price on both controllable power arms.

Vodnik and Halvorsen have been Colorado’s two highest-leverage bullpen options over the past month. They’re each 25-year-old righties with massive arm speed. Vodnik, acquired from the Braves at the 2023 deadline in the Pierce Johnson deal, averages 98.5 MPH on his fastball. Halvorsen, a seventh-round draft pick from two seasons ago, has a heater that sits above 100. Only Mason Miller and Jhoan Durán throw harder than he does.

Of the two, Vodnik has had more success. He tossed 73 2/3 innings of 4.28 ERA ball in his first full season last year. He missed five weeks earlier this season with shoulder inflammation but carries an even 3.00 earned run average in 30 frames. He has gotten ground balls at a huge 56.3% clip, though he has given up a lot of hard contact. Vodnik has also walked a concerning 13.4% of opposing hitters while turning in a league average 23.6% strikeout rate.

[Related: Under-The-Radar Bullpen Trade Candidates]

Vodnik’s underlying marks don’t support a low-3.00s ERA. At the same time, it’s easy to see the appeal of a pitcher with this kind of velocity and ability to generate ground balls. It’s a similar story with Halvorsen, who is working as the rebuilding team’s closer. He has gotten grounders at a 53.2% clip while posting middling strikeout (21.3%) and walk (11%) rates. Halvorsen has allowed a few too many home runs, leading to a pedestrian 5.02 ERA through 37 2/3 frames.

The Rockies are generally resistant to dealing players with multiple years of control, but reporting out of Colorado has suggested they’re more open to selling than in years past. That’s most relevant for third baseman Ryan McMahon but could apply to controllable relievers Jake Bird, Vodnik and Halvorsen.

Trading either of the latter two pitchers would have some parallels to last summer’s deal of Nick Mears — another controllable power arm with middling results — to Milwaukee. Mears was two years older than Halvorsen and Vodnik are now, and he’s a former waiver claim whom the Rockies could’ve been more willing to move than pitchers they’ve drafted or acquired in trade. Vodnik is under club control for four seasons after this one; Halvorsen has five-plus years of control.

Share 0 Retweet 0 Send via email0

Colorado Rockies Seth Halvorsen Victor Vodnik

16 comments

Latest On Rockies’ Expected Deadline Approach

By Anthony Franco | July 8, 2025 at 11:56pm CDT

The Rockies dropped to 21-71 with today’s loss in Boston, putting them on a 37-win pace for the season. That’d have them four wins shy of last year’s White Sox, the worst team in modern history. The Rockies are obviously going to be deadline sellers, but the extent of that sale is complicated by the organization’s track record of holding onto players that any other team would have traded.

Ken Rosenthal of The Athletic writes that the Rox intend to be more willing to listen on veteran players than they have been at prior deadlines. He suggests they’ll seriously entertain interest in the likes of third baseman Ryan McMahon, reliever Jake Bird, and starter Germán Márquez. That broadly aligns with a report from Jon Heyman of The New York Post last week. Heyman reported that the Rockies are open to offers on McMahon, specifically, after they pulled him off the trade market early in 2024.

However, that increased willingness to deal veterans doesn’t mean the Rockies are completely open for business. Rosenthal writes that the team remains unlikely to trade young players whom they view as core pieces. He lists shortstop Ezequiel Tovar, center fielder Brenton Doyle, and rookie righty Chase Dollander in that group. Rosenthal more surprisingly adds relievers Seth Halvorsen and Zach Agnos, plus starter Ryan Feltner, as players who may fall in the latter category.

McMahon, Márquez and Bird are Colorado’s three most obvious trade chips. They all featured prominently on MLBTR’s initial list of the top 40 trade candidates last week. McMahon is a plus defensive third baseman with power and strikeout concerns. He had an abysmal April, raked in May, and has cooled back off since the beginning of June. He’s hitting just .210/.310/.373 on the season and has been a well below-average hitter (.207/.305/.350) over the past calendar year.

There’ll nevertheless be interest in McMahon, particularly given the scarcity of infield talent that may be available. The Yankees need to acquire a third baseman and have reportedly already checked in. The Cubs and Tigers are speculative possibilities. McMahon is playing on a $12MM salary in his age-30 season and will make $16MM annually between 2026-27.

Márquez is an impending free agent who is making $10MM. He was an above-average starter earlier in his career but hasn’t been as sharp since undergoing Tommy John surgery in 2023. He’s sitting on a 5.84 ERA with a subpar 15.3% strikeout rate over 18 starts. The 30-year-old righty is coming off his best month of the season, though, working to a 2.97 mark while striking out 21% of opponents in June. His fastball still sits around 95 MPH, so teams could view him as an upside play outside of Coors Field. He’s unlikely to be a qualifying offer candidate, so there’s little reason not to trade him.

Bird, 29, had quietly been one of the league’s best relievers until he was blown up by the Red Sox on Tuesday. That outing jumped his season ERA by nearly a full run, up from 2.79 to 3.70. Bird has fanned more than 27% of opposing hitters and has generally done well to keep runs off the board. He looked to be a fairly nondescript middle reliever entering the season. He’s under club control for three seasons beyond this one, but this is a breakout year for a reliever approaching his 30th birthday. The Rockies would be wise to cash him in this summer while his trade value is at its peak.

The Rockies have a few other veteran players, though they’d have little to no trade value. They’ll presumably hope to find a lottery ticket prospect for the likes of Thairo Estrada, Austin Gomber and Tyler Kinley. It’s not surprising they’re reluctant to move Tovar or Doyle, both of whom are struggling through down years but looked like potential cornerstones a season ago. Dollander has been hit hard in his debut campaign and was recently optioned back to Triple-A, but he’s a recent top 10 pick and the organization’s best hope of developing a front-line starter.

Feltner is a back-of-the-rotation starter who has missed most of this season rehabbing a back issue. He just returned from the injured list last week and has been limited to six starts. The Rox could get a notable return for Halvorsen, a fireballer who has gotten a look in the ninth inning. He’s only 25 and controllable for five more seasons. A team in Colorado’s position should arguably be willing to trade any reliever, but there’s more of a case for holding Haloversen than there would be with Bird. It’s tougher to see the logic in including Agnos as a potential building block. He’s a rookie reliever with a 5.19 ERA and 15 strikeouts in his first 26 career innings. Agnos, a former 10th-round pick, has good but not elite velocity and has never been a highly-regarded prospect despite excellent minor league numbers.

Share 0 Retweet 0 Send via email0

Colorado Rockies Brenton Doyle Chase Dollander Ezequiel Tovar German Marquez Jake Bird Ryan Feltner Ryan McMahon Seth Halvorsen Zach Agnos

48 comments

Rockies Select Seth Halvorsen

By Anthony Franco | August 30, 2024 at 6:42pm CDT

The Rockies announced they’ve selected reliever Seth Halvorsen onto the MLB roster. He joins the bullpen in place of Noah Davis, who was optioned to Triple-A Albuquerque. The Rox had an opening on the 40-man roster after passing left-hander Antoine Kelly through outright waivers yesterday.

Halvorsen, 24, will be making his big league debut. The 6’2″ righty spent two years at the University of Missouri before transferring to Tennessee for his junior season. He turned in a 3.81 ERA over 52 innings for the Vols. The Rockies selected him in the seventh round of last year’s draft.

Colorado got Halvorsen to Double-A by the end of his draft year. He has split this season between Double-A Hartford and Albuquerque. Halvorsen turned in a 4.84 ERA in 35 1/3 Double-A frames, striking out nearly 26% of opponents while walking 12% of batters faced. While he only has nine Triple-A appearances under his belt, he has already punched out 15 at the top minor league level.

In April, Eric Longenhagen of FanGraphs ranked Halvorsen the #14 prospect in the Colorado system. Longenhagen credited him with an upper-90s fastball, as well as an above-average slider and splitter duo. He doesn’t have great control, potentially pushing him into a middle relief role. The Rox are desperate for reliable contributors in the bullpen. There’s plenty of room for Halvorsen to establish himself quickly.

Share 0 Retweet 0 Send via email0

Colorado Rockies Transactions Seth Halvorsen

20 comments
Show all
    Top Stories

    Red Sox To Extend Aroldis Chapman

    Red Sox Release Walker Buehler

    Pirates Place Isiah Kiner-Falefa On Outright Waivers

    Randy Rodriguez Recommended To Undergo Tommy John Surgery

    Padres Place Xander Bogaerts On IL With Foot Fracture

    Cardinals To Promote Jimmy Crooks

    Red Sox To Promote Payton Tolle

    Corey Seager To Undergo Appendectomy, Not Ruled Out For Season

    Frankie Montas To Undergo UCL Surgery

    Guardians Release Carlos Santana

    Brewers Place Trevor Megill On IL Due To Flexor Strain, Sign Erick Fedde

    Guardians Place Carlos Santana On Outright Waivers

    Astros Reinstate Yordan Alvarez From Injured List

    Nathan Eovaldi Likely Out For Season Due To Rotator Cuff Strain

    Mets To Promote Jonah Tong

    BBWAA To Institute Relief Pitcher Of The Year Award In 2026

    Zack Wheeler Recommended For Thoracic Outlet Syndrome Surgery

    Frankie Montas Done For 2025 Due To “Pretty Significant” UCL Injury

    Orioles Extend Samuel Basallo

    Astros Sign Craig Kimbrel

    Recent

    Red Sox To Extend Aroldis Chapman

    Pavin Smith Unlikely To Return In 2025 Due To Quad Strain

    Astros Sign Matt Bowman To Minor League Deal

    Vinny Nittoli Opts Out Of Orioles Deal

    Orioles Outright Cody Poteet

    Orioles Release Matt Bowman

    Pirates Promote Cam Devanney, Place Ronny Simon On 10-Day IL

    Royals Sign Spencer Turnbull To Minors Contract

    Mets Designate Jose Castillo For Assignment

    Nationals Place MacKenzie Gore On 15-Day Injured List

    MLBTR Newsletter - Hot stove highlights in your inbox, five days a week

    Latest Rumors & News

    Latest Rumors & News

    • Every MLB Trade In July
    Trade Rumors App for iOS and Android App Store Google Play

    MLBTR Features

    MLBTR Features

    • Remove Ads, Support Our Writers
    • Front Office Originals
    • Front Office Fantasy Baseball
    • MLBTR Podcast
    • 2025-26 MLB Free Agent List
    • 2026-27 MLB Free Agent List
    • Contract Tracker
    • Transaction Tracker
    • Extension Tracker
    • Agency Database
    • MLBTR On Twitter
    • MLBTR On Facebook
    • Team Facebook Pages
    • How To Set Up Notifications For Breaking News
    • Hoops Rumors
    • Pro Football Rumors
    • Pro Hockey Rumors

    Rumors By Team

    • Angels Rumors
    • Astros Rumors
    • Athletics Rumors
    • Blue Jays Rumors
    • Braves Rumors
    • Brewers Rumors
    • Cardinals Rumors
    • Cubs Rumors
    • Diamondbacks Rumors
    • Dodgers Rumors
    • Giants Rumors
    • Guardians Rumors
    • Mariners Rumors
    • Marlins Rumors
    • Mets Rumors
    • Nationals Rumors
    • Orioles Rumors
    • Padres Rumors
    • Phillies Rumors
    • Pirates Rumors
    • Rangers Rumors
    • Rays Rumors
    • Red Sox Rumors
    • Reds Rumors
    • Rockies Rumors
    • Royals Rumors
    • Tigers Rumors
    • Twins Rumors
    • White Sox Rumors
    • Yankees Rumors

    Navigation

    • Sitemap
    • Archives
    • RSS/Twitter Feeds By Team

    MLBTR INFO

    • Advertise
    • About
    • Commenting Policy
    • Privacy Policy

    Connect

    • Contact Us
    • Twitter
    • Facebook
    • RSS Feed

    MLB Trade Rumors is not affiliated with Major League Baseball, MLB or MLB.com

    Do not Sell or Share My Personal Information

    hide arrows scroll to top

    Register

    Desktop Version | Switch To Mobile Version