Building a rotation through free agency can be expensive and frustrating, so teams are understandably open to alternatives. One way for teams to avoid free agent salaries and long-term commitments is to move relief pitchers to the starting rotation. Yet few relievers have the repertoire and durability to succeed in the rotation, so it's not uncommon for converted relievers to flop as starters.
Here’s a mid-season update on four pitchers who jumped from the ‘pen to the rotation this year. None of the pitchers below had started more than three MLB games in a season before 2012 and all of them were big league relievers last year:
- Daniel Bard – Bard walked more batters than he struck out and posted a career-high ERA as a starting pitcher before being optioned to the minor leagues in early June. The right-hander saw his fastball velocity (93.1 mph) and swinging strike rate (7.9%) dip as a starter. He's now pitching out of the bullpen at Triple-A, and the results have been mixed. This attempted transition has been a disappointment.
- Neftali Feliz – The Rangers have successfully converted C.J. Wilson and Alexi Ogando to starting roles under Ron Washington and Mike Maddux in recent years, but Feliz's conversion didn't go nearly as well. He will miss the rest of the season and much of 2013 to undergo and recover from Tommy John surgery. Feliz's injury may be unrelated to his change in roles, but it doesn't make the reality of his elbow issues any more pleasant for the Rangers. The 24-year-old started just seven games before hitting the disabled list, and the results were acceptable, if not overwhelmingly positive: a 3.16 ERA with 7.8 K/9 and 4.9 BB/9.
- Jeff Samardzija – Credit the Cubs for putting Samardzija in the rotation this spring. He's enjoying a breakout season with a 4.19 ERA, 9.0 K/9 and 3.5 BB/9 in 120 1/3 innings (he recovered from an ugly month of June to string together some strong starts in July). The 27-year-old has maintained his fastball velocity, averaging 95 mph with his heater. Among MLB starters only Cole Hamels and Tim Lincecum generate a greater percentage of swings and misses (12.0%).
- Chris Sale – Sale has pitched to a 2.61 ERA through 124 innings with a 114K/31BB ratio and impressive hit and home run rates. The 2012 All-Star has lost some zip on his fastball (now 92.1 mph), but he continues to generate lots of swings and misses. A major success for rookie manager Robin Ventura, pitching coach Don Cooper and the White Sox.
Note: Though Lance Lynn, Anthony Bass and Felix Doubront pitched in relief last year, they also started in the minors for much of the 2011 season, so I don’t consider them converted relievers. Advanced stats via FanGraphs.