First name: Hayden
Last name: Birdsong
Birthdate: 2001-08-30
Bats: R Throws: R
RetroID: birdh001
| Year | Team | Lg | G | GS | IP | R | XR | DR | IP/G | RPW | Role | LgAdj | R+ | LI | R_lev+ | WAM | W | L | WAR | VS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | SFN | NL | 16 | 3.3 | 72.0 | 39 | 34 | 1 | 4.50 | 9.5 | 0.13 | 0.00 | -4 | 1.00 | -4 | -0.4 | 1.3 | 2.1 | 0.3 | 4 |
| 2025 | SFN | NL | 21 | 3.0 | 65.7 | 42 | 31 | 0 | 3.13 | 9.6 | -0.19 | 0.00 | -12 | 1.04 | -12 | -1.2 | 0.3 | 2.7 | -0.6 | 1 |
| Career | 37 | 6.3 | 137.7 | 81 | 65 | 1 | -16 | -16 | -1.6 | 1.6 | 4.8 | -0.3 | 5 | |||||||
| Year | Team | Chances | OAA | OAA adj |
|---|---|---|---|---|
| 2024 | SFN | 5 | 0.0 | 0 |
| 2025 | SFN | 5 | 0.0 | 0 |
| 10 | 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 |
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