First name: Zack
Last name: Kelly
Birthdate: 1995-03-03
Bats: R Throws: R
RetroID: kellz001
| Year | Team | Lg | G | GS | IP | R | XR | DR | IP/G | RPW | Role | LgAdj | R+ | LI | R_lev+ | WAM | W | L | WAR | VS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | BOS | AL | 13 | 0.6 | 13.7 | 6 | 7 | 0 | 1.05 | 9.7 | -0.42 | 0.00 | 0 | 1.03 | 0 | 0.0 | 0.3 | 0.3 | 0.1 | 1 |
| 2023 | BOS | AL | 8 | 0.4 | 9.3 | 4 | 5 | 0 | 1.16 | 10.0 | -0.42 | 0.00 | 1 | 0.58 | 1 | 0.1 | 0.3 | 0.1 | 0.2 | 1 |
| 2024 | BOS | AL | 49 | 2.9 | 56.7 | 31 | 33 | 1 | 1.16 | 10.7 | -0.43 | 0.00 | -2 | 1.28 | -2 | -0.2 | 1.3 | 1.7 | 0.4 | 4 |
| 2025 | BOS | AL | 28 | 1.5 | 35.3 | 20 | 20 | -1 | 1.26 | 10.5 | -0.43 | 0.00 | -1 | 0.91 | -1 | -0.1 | 0.7 | 0.9 | 0.3 | 2 |
| Career | 98 | 5.4 | 115 | 61 | 65 | 0 | -2 | -2 | -0.2 | 2.6 | 3 | 1 | 8 | |||||||
| Year | Team | Chances | OAA | OAA adj |
|---|---|---|---|---|
| 2022 | BOS | 2 | 0.0 | 0 |
| 2023 | BOS | 0 | 0.0 | 0 |
| 2024 | BOS | 9 | 2.0 | 2 |
| 2025 | BOS | 4 | 0.0 | 0 |
| 15 | 2.0 | 2 |
| Year | Team | Lg | G | GS | IP | R | XR | DR | IP/G | RPW | Role | LgAdj | R+ | LI | R_lev+ | WAM | W | L | WAR | VS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | BOS | MLB | 1 | 0.0 | 0.3 | 0 | 0 | 0 | 0.30 | 11.8 | -0.43 | 0.00 | 0 | 2.51 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 |
| Career | 1 | 0 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||
No batting records available for this player.
| Stat description | |
|---|---|
| GS | Game Shares |
| WAM | Wins above Majors. Formerly wins above average, but WAM! sounds better than WAA. Credit to Don Sobocinski for the name. |
| WAR | Wins above Replacement |
| VS | Victory Shares |
| W | Wins - Not traditional pitcher wins. Estimate of the number of wins each pitcher was responsible for. His share, as opposed to the shares of his fielders and offense. |
| L | Losses - See wins above, just the opposite side of the final score. |
| BatRuns | Batting runs above average |
| Adj R | Park adjusted batting runs |
| RISP | Runs for hitting better or worse than overall with runners in scoring position |
| BSR | Baserunning runs |
| DP | Double play avoidance runs |
| ROE | Runs from reaching on error |
| Fld | Fielding runs |
| Pos | Position adjustment |
| DH | Designated hitter adjustment |
| Pit | Pitcher batting adjustment |
| RAA | Runs above average before position and league adjustment |
| RPW | Runs per win |
| WAA | Wins above average before position and league adjustment |
| POS Wins | Position adjustment converted to wins |
| LGA | League quality adjustment |
| DVoDH | Defensive Value (in runs) over designated hitter |
| G | Games pitched |
| GS | Game shares. For pitchers based on innings and leverage index |
| XR | Expected runs based on ballparks and opponents faced |
| DR | Defensive runs support |
| Role | Starter vs reliever role adjustment |
| LgAdj | League adjustment |
| R+ | Runs above average |
| LI | Leverage index |
| R_lev+ | Leverage adjusted runs above average |
| Chances | Estimated opportunies to make a defensive play |
| BIP | Balls in play while this player was on the field |
| OAA | Outs above average, based on defensive efficiency assigned at the player level |
| OAA adj | Park adjusted outs above average |
| DER runs | Run value of outs above average |
| Frame Runs | Runs from framing balls and strikes |
| SB Runs | Stolen base prevention runs |
| Block Runs | Wild pitch and passed ball prevention runs |
| Err Runs | Catcher error prevention runs |
| Catcher Runs | Catcher runs from SB, errors, PB, and WP. Does not include framing. |
| Play+ | plays made above average per ball in play |
| GB+ | ground ball plays above average per ball in play |
| DP Start | Runs from starting double plays |
| DP Turn | Runs from turning double plays |
| DP runs | Total double play runs |
| OF Arm opps | Opportunities for an outfielder to make a throwing play |
| OF Arm runs | Runs from throwing from the outfield |
The information used here was obtained free of charge from and is copyrighted by
Retrosheet. Interested parties may contact Retrosheet at "www.retrosheet.org".