
New York Yankees Value & Market Layer
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Mark Edward Leiter Jr. is an American professional baseball pitcher for the Athletics of Major League Baseball (MLB). He has previously played in MLB for the Philadelphia Phillies, Toronto Blue Jays, Chicago Cubs, and New York Yankees. Leiter played college baseball at the New Jersey Institute of Technology. He was selected by the Phillies in the 22nd round of the 2013 MLB draft, and made his MLB debut with them in 2017.

| Season | G | GS | W | L | SV | IP | K | BB | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 17 | 0 | 0 | 1 | 3 | 14.2 | 16 | 6 | 8.0 | 1.8 | 9.8 |
| 2025 | 59 | 0 | 6 | 7 | 2 | 48.1 | 54 | 17 | 4.8 | 1.5 | 10.1 |

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