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Nick Nastrini

White Sox Promote Nick Nastrini

By Steve Adams | April 15, 2024 at 3:40pm CDT

3:40pm: The Sox have now made Nastrini’s promotion official and also activated outfielder Eloy Jimenez from the injured list. To open active roster spots for those two, they optioned right-hander Justin Anderson and infielder/outfielder Zach Remillard. To open a 40-man spot for Nastrini, they transferred catcher Max Stassi to the 60-day injured list. The backstop opened the season on the 10-day IL due to hip inflammation but was hit on the hand by a backswing while rehabbing recently, per Scott Merkin of MLB.com. His exact timeline isn’t clear but he’s now ineligible to be activated until late May.

9:27am: The White Sox will call up right-hander Nick Nastrini to start today’s game in what will be his MLB debut, manager Pedro Grifol announced (link via Kyle Williams of the Chicago Sun-Times). He’s not on the 40-man roster, so the Sox will need to open a spot for his contract to be formally selected.

Nastrini, 24, is widely regarded as one of the White Sox’ top pitching prospects. Acquired from the Dodgers in the trade sending Lance Lynn to Los Angeles last summer, the 2021 fourth-round pick has routinely posted massive strikeout numbers throughout his minor league tenure but has also battled sub-par command for much of his professional career.

Scouting reports at Baseball America, MLB.com, FanGraphs, The Athletic and ESPN all rank Nastrini eighth or better among ChiSox farmhands, with BA listing him third in the system. The Athletic’s Keith Law ranked Nastrini 76th on his 2024 top 100 list, touting him as a possible No. 4 starter and with the ceiling to become quite a bit more than that, given the strength of his secondary pitches.

There’s little doubting the quality of Nastrini’s stuff; he runs his fastball up as high as 98 mph and complements it with a slider, curveball and changeup that all project as potentially average to plus offerings. Nastrini features high-end spin rates on his heater and breaking pitches, and his changeup helped him limit lefties to a .226 average with a 29.7% strikeout rate between Double-A and Triple-A last season. (Righties hit .216 and punched out at a 26.1% clip.) Law touts the changeup, in particular, as a potential plus-plus pitch (70-grade on the 20-80 scale).

If Nastrini had better control of his electric arsenal, he’d undoubtedly grade as one of the game’s elite prospects. At 6’3″, 215-pound righty has the size and deep repertoire to profile as a starter, but he’s walked 11.1% of his career opponents. His penchant for missing the zone leads to plenty of deep counts as well; in 2023 he averaged about 4 2/3 innings per start. There’s still some refinement to be made, though he’s improved his command since college ball at UCLA and has also seen further gains in that field since being traded from L.A. to Chicago (9.5% walk rate in the Sox’ system).

The state of the White Sox’ roster amid their current rebuild gives Nastrini ample opportunity to show he can stick. The Sox are out to their worst start in franchise history, sitting at 2-13 on the season. The woeful state of their rotation has played a significant role in those struggles. Even with Garrett Crochet pitching like a borderline No. 1 starter through his first four turns, White Sox starters rank 26th in the big leagues with 72 1/3 innings pitched, 28th with a 5.60 ERA and dead last with a 5.20 FIP. Despite totaling MLB’s fifth-fewest innings, the rotation is tied for the MLB lead with 14 home runs allowed.

Nastrini will join Crochet, Erick Fedde, Michael Soroka and Chris Flexen in the rotation for the time being. Recently re-signed Mike Clevinger will join that group in a few weeks as well, once he’s sufficiently built up, and other prospects like Jake Eder, Jairo Iriarte and Jared Shuster (currently working as a long reliever in the big league ’pen) could eventually garner looks over the course of the season.

Even if Nastrini is in the big leagues to stay, he won’t accrue enough service time to reach a full year in 2024. Were it not for an illness that rendered Nastrini unavailable the first time Chicago needed a fifth starter, that may not have been the case, but he wasn’t healthy enough in the season’s first week to step onto the staff at the time. He’s still made just two starts in the minors this season, in part due to that illness. Further optional assignments could always alter his timeline anyhow, but for now, Nastrini will be controllable all the way through 2030.

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Chicago White Sox Los Angeles Dodgers Transactions Eloy Jimenez Justin Anderson Max Stassi Nick Nastrini Zach Remillard

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