First name: Ruben
Last name: Sierra
Birthdate: 1965-10-06
Bats: B Throws: R
RetroID: sierr001
| Year | Team | Off GS | Def GS | Game Shares | WAR | W | L | Victory Shares |
|---|---|---|---|---|---|---|---|---|
| 1986 | TEX | 5.2 | 0.9 | 6.1 | 1.5 | 3.2 | 2.8 | 10 |
| 1987 | TEX | 8.7 | 1.2 | 10.0 | 0.9 | 3.9 | 6.1 | 12 |
| 1988 | TEX | 8.4 | 1.2 | 9.6 | 2.6 | 5.4 | 4.2 | 16 |
| 1989 | TEX | 8.8 | 1.3 | 10.1 | 6.9 | 9.9 | 0.3 | 30 |
| 1990 | TEX | 8.4 | 1.2 | 9.6 | 1.1 | 3.9 | 5.7 | 12 |
| 1991 | TEX | 8.8 | 1.3 | 10.1 | 4.4 | 7.4 | 2.8 | 22 |
| 1992 | TEX | 6.8 | 0.9 | 7.7 | 0.7 | 3.0 | 4.8 | 9 |
| 1992 | OAK | 1.5 | 0.2 | 1.6 | 0.8 | 1.3 | 0.3 | 4 |
| 1993 | OAK | 8.6 | 1.0 | 9.6 | -0.2 | 2.6 | 7.0 | 8 |
| 1994 | OAK | 5.8 | 0.7 | 6.5 | 0.6 | 2.6 | 4.0 | 8 |
| 1995 | NYA | 3.0 | 0.1 | 3.0 | 0.1 | 1.0 | 2.0 | 3 |
| 1995 | OAK | 3.6 | 0.4 | 4.0 | 0.0 | 1.2 | 2.8 | 4 |
| 1996 | NYA | 5.0 | 0.2 | 5.2 | -0.6 | 0.9 | 4.3 | 3 |
| 1996 | DET | 2.3 | 0.2 | 2.4 | -0.4 | 0.3 | 2.1 | 1 |
| 1997 | CIN | 1.2 | 0.2 | 1.4 | -0.4 | 0.0 | 1.4 | 0 |
| 1997 | TOR | 0.7 | 0.1 | 0.7 | -0.1 | 0.1 | 0.7 | 0 |
| 1998 | CHA | 1.0 | 0.1 | 1.1 | -0.3 | 0.0 | 1.0 | 0 |
| 2000 | TEX | 0.8 | 0.0 | 0.8 | -0.3 | -0.1 | 0.9 | 0 |
| 2001 | TEX | 4.5 | 0.2 | 4.8 | 0.5 | 1.9 | 2.9 | 6 |
| 2002 | SEA | 5.6 | 0.4 | 5.9 | -0.2 | 1.6 | 4.4 | 5 |
| 2003 | NYA | 2.3 | 0.1 | 2.4 | -0.1 | 0.6 | 1.8 | 2 |
| 2003 | TEX | 1.8 | 0.1 | 2.0 | -0.9 | -0.3 | 2.3 | -1 |
| 2004 | NYA | 4.2 | 0.2 | 4.3 | 0.6 | 1.9 | 2.5 | 6 |
| 2005 | NYA | 2.2 | 0.1 | 2.3 | -0.5 | 0.2 | 2.2 | 0 |
| 2006 | MIN | 0.4 | 0.0 | 0.4 | -0.2 | -0.1 | 0.5 | 0 |
| Career | 109.6 | 12.3 | 121.6 | 16.5 | 52.4 | 69.8 | 160 |
| Year | Team | PA | BatRuns | Adj R | RISP | BSR | DP | ROE | Fld | Pos | DH | Pit | RAA | RPW | WAA | Pos Wins | LgA | WAM | DVoDH |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1986 | TEX | 411 | 3 | 2 | -1 | 0 | 0 | -1 | 5 | -4 | 0 | 0 | 5 | 9.9 | 0.5 | -0.4 | 0.1 | 0.2 | 11 |
| 1987 | TEX | 696 | 0 | 0 | -2 | 2 | -1 | -2 | -3 | -6 | 0 | 0 | -6 | 10.6 | -0.6 | -0.6 | 0.1 | -1.1 | 6 |
| 1988 | TEX | 668 | -1 | -3 | -2 | 5 | 0 | -1 | 11 | -6 | 0 | 0 | 10 | 9.3 | 1.1 | -0.6 | 0.1 | 0.6 | 20 |
| 1989 | TEX | 689 | 38 | 36 | 3 | 3 | 1 | 0 | 8 | -7 | 0 | 0 | 51 | 9.4 | 5.4 | -0.7 | 0.1 | 4.8 | 17 |
| 1990 | TEX | 666 | 7 | 6 | 4 | -2 | 0 | -1 | -10 | -6 | 0 | 0 | -3 | 9.2 | -0.3 | -0.6 | 0.0 | -0.9 | -2 |
| 1991 | TEX | 726 | 31 | 32 | 3 | 4 | 0 | 0 | -7 | -7 | 0 | 0 | 32 | 10.5 | 3.0 | -0.7 | 0.0 | 2.3 | 2 |
| 1992 | TEX | 539 | 6 | 7 | -1 | 4 | -1 | -2 | -11 | -5 | 0 | 0 | -4 | 9.5 | -0.4 | -0.5 | 0.0 | -0.9 | -4 |
| 1992 | OAK | 117 | 2 | 3 | 1 | 0 | 0 | -1 | 3 | -1 | 0 | 0 | 6 | 9.4 | 0.6 | -0.1 | 0.0 | 0.5 | 4 |
| 1993 | OAK | 692 | -20 | -16 | 1 | 7 | 0 | 1 | -8 | -5 | -2 | 0 | -15 | 10.1 | -1.5 | -0.7 | 0.0 | -2.2 | -1 |
| 1994 | OAK | 460 | -2 | 2 | 5 | 4 | -1 | -1 | -11 | -4 | -1 | 0 | -2 | 10.4 | -0.2 | -0.5 | 0.0 | -0.7 | -6 |
| 1995 | NYA | 242 | -2 | -2 | 3 | -2 | 0 | 0 | -1 | 0 | -3 | 0 | -2 | 10.3 | -0.2 | -0.3 | 0.0 | -0.5 | 0 |
| 1995 | OAK | 291 | 1 | 3 | 0 | -1 | 1 | 0 | -8 | -2 | -1 | 0 | -5 | 10.6 | -0.5 | -0.3 | 0.0 | -0.8 | -5 |
| 1996 | NYA | 407 | -10 | -9 | 0 | -2 | 0 | -1 | -1 | -1 | -4 | 0 | -13 | 10.6 | -1.2 | -0.5 | 0.0 | -1.7 | 1 |
| 1996 | DET | 180 | -10 | -10 | 0 | 2 | 0 | -1 | 1 | -1 | -1 | 0 | -8 | 11.6 | -0.7 | -0.2 | 0.0 | -0.9 | 2 |
| 1997 | CIN | 96 | -3 | -3 | -1 | 1 | 0 | 0 | -3 | -1 | 0 | 0 | -6 | 9.4 | -0.6 | -0.1 | 0.0 | -0.7 | -2 |
| 1997 | TOR | 52 | -3 | -3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -3 | 9.1 | -0.3 | 0.0 | 0.0 | -0.3 | 0 |
| 1998 | CHA | 77 | -3 | -3 | 0 | 1 | 0 | 0 | -3 | 0 | 0 | 0 | -5 | 11.1 | -0.5 | 0.0 | 0.0 | -0.5 | -2 |
| 2000 | TEX | 64 | -5 | -5 | 1 | -1 | 0 | 0 | 0 | 0 | -1 | 0 | -5 | 11.3 | -0.4 | -0.1 | 0.0 | -0.5 | 0 |
| 2001 | TEX | 369 | 13 | 11 | -5 | -1 | -1 | 1 | -6 | -1 | -3 | 0 | -1 | 11.5 | -0.1 | -0.4 | 0.0 | -0.5 | -4 |
| 2002 | SEA | 452 | -4 | -2 | -2 | 0 | -1 | 0 | -4 | -2 | -3 | 0 | -9 | 9.9 | -0.9 | -0.5 | 0.0 | -1.4 | -1 |
| 2003 | NYA | 189 | -1 | -1 | 0 | -1 | 0 | 0 | -2 | 0 | -2 | 0 | -4 | 10.2 | -0.4 | -0.2 | 0.0 | -0.6 | -1 |
| 2003 | TEX | 147 | -1 | -3 | -2 | 0 | 0 | 0 | -7 | -1 | -1 | 0 | -12 | 11.2 | -1.1 | -0.2 | 0.0 | -1.3 | -6 |
| 2004 | NYA | 338 | -4 | -4 | 3 | 1 | 1 | -1 | 2 | -1 | -4 | 0 | 2 | 10.8 | 0.2 | -0.5 | 0.0 | -0.3 | 3 |
| 2005 | NYA | 181 | -8 | -8 | 1 | -1 | 1 | 1 | -3 | -1 | -2 | 0 | -9 | 10.6 | -0.8 | -0.3 | 0.1 | -1.0 | -2 |
| 2006 | MIN | 33 | -3 | -3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -3 | 9.8 | -0.3 | 0.0 | 0.0 | -0.3 | 0 |
| Career | 8,782 | 21 | 27 | 9 | 23 | -1 | -9 | -58 | -62 | -28 | 0 | -9 | - | -0.2 | -9.0 | 0.5 | -8.7 | 30 |
| Year | Team | POS | BIP | Chances | OAA | OAA adj | DER Runs | Play+ | OF Arm Opps | OF Arm Runs | Total Fielding Runs |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1986 | TEX | LF | 948 | 111 | 1.0 | 1 | 1 | -2 | 45 | 1 | 2 |
| 1986 | TEX | CF | 417 | 46 | -4.0 | -4 | -3 | -11 | 22 | 1 | -2 |
| 1986 | TEX | RF | 795 | 137 | 4.0 | 5 | 4 | 9 | 39 | 1 | 5 |
| 1987 | TEX | CF | 40 | 2 | -1.0 | -1 | -1 | -3 | 1 | 0 | -1 |
| 1987 | TEX | RF | 2592 | 413 | -5.0 | -2 | -2 | -14 | 170 | 0 | -2 |
| 1988 | TEX | RF | 2716 | 448 | 8.0 | 11 | 10 | -15 | 204 | 1 | 11 |
| 1989 | TEX | CF | 23 | 4 | 0.0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 1989 | TEX | RF | 2672 | 453 | 2.0 | 4 | 3 | -7 | 184 | 5 | 8 |
| 1990 | TEX | RF | 2565 | 422 | -4.0 | -3 | -3 | -23 | 184 | -7 | -10 |
| 1991 | TEX | CF | 42 | 5 | 0.0 | 0 | 0 | 1 | 2 | 1 | 1 |
| 1991 | TEX | RF | 2763 | 463 | -11.0 | -9 | -8 | -17 | 148 | 0 | -8 |
| 1992 | TEX | RF | 2033 | 347 | -11.0 | -9 | -8 | -4 | 106 | -3 | -11 |
| 1992 | OAK | RF | 428 | 78 | 6.0 | 5 | 4 | 9 | 8 | -1 | 3 |
| 1993 | OAK | RF | 2380 | 438 | -3.0 | -5 | -5 | 18 | 192 | -3 | -8 |
| 1994 | OAK | CF | 27 | 4 | -1.0 | -1 | -1 | -2 | 3 | 0 | -1 |
| 1994 | OAK | RF | 1600 | 246 | -11.0 | -11 | -10 | -18 | 128 | 0 | -10 |
| 1995 | NYA | RF | 157 | 27 | 0.0 | 0 | 0 | -3 | 11 | -1 | -1 |
| 1995 | OAK | RF | 990 | 149 | -6.0 | -6 | -6 | -14 | 73 | -2 | -8 |
| 1996 | DET | LF | 93 | 7 | -2.0 | -2 | -2 | -4 | 4 | 0 | -2 |
| 1996 | NYA | LF | 784 | 84 | -2.0 | -3 | -3 | -4 | 43 | 2 | -1 |
| 1996 | DET | RF | 329 | 70 | 3.0 | 3 | 3 | 11 | 23 | 0 | 3 |
| 1996 | NYA | RF | 13 | 5 | 0.0 | 0 | 0 | 2 | 7 | 0 | 0 |
| 1997 | CIN | LF | 244 | 22 | -3.0 | -3 | -3 | -4 | 9 | 1 | -2 |
| 1997 | TOR | LF | 157 | 19 | 0.0 | 0 | 0 | -2 | 6 | 0 | 0 |
| 1997 | CIN | RF | 192 | 38 | -1.0 | -1 | -1 | -1 | 16 | 0 | -1 |
| 1997 | TOR | RF | 17 | 2 | 0.0 | 0 | 0 | -1 | 1 | 0 | 0 |
| 1998 | CHA | LF | 27 | 3 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1998 | CHA | RF | 185 | 29 | -2.0 | -2 | -2 | -6 | 12 | -1 | -3 |
| 2001 | TEX | LF | 24 | 2 | -1.0 | -1 | -1 | -1 | 2 | 0 | -1 |
| 2001 | TEX | RF | 532 | 94 | -4.0 | -3 | -3 | -10 | 39 | -2 | -5 |
| 2002 | SEA | LF | 1244 | 141 | -1.0 | -3 | -3 | -5 | 51 | -1 | -4 |
| 2002 | SEA | RF | 6 | 1 | 0.0 | 0 | 0 | -1 | 2 | 0 | 0 |
| 2003 | TEX | LF | 446 | 41 | -6.0 | -6 | -6 | -12 | 24 | 0 | -6 |
| 2003 | NYA | LF | 101 | 9 | 0.0 | 0 | 0 | -1 | 1 | 0 | 0 |
| 2003 | NYA | RF | 150 | 23 | -1.0 | -1 | -1 | -3 | 13 | -1 | -2 |
| 2003 | TEX | RF | 34 | 6 | -1.0 | -1 | -1 | -1 | 4 | 0 | -1 |
| 2004 | NYA | LF | 61 | 6 | 0.0 | 0 | 0 | 0 | 2 | 0 | 0 |
| 2004 | NYA | RF | 311 | 54 | 1.0 | 1 | 1 | 1 | 26 | 1 | 2 |
| 2005 | NYA | LF | 153 | 16 | -1.0 | -1 | -1 | -1 | 6 | 0 | -1 |
| 2005 | NYA | RF | 135 | 22 | -1.0 | -1 | -1 | -2 | 12 | -1 | -2 |
| LF | 4282 | 461 | -15.0 | -18 | -18 | -36 | 193 | 3 | -15 | ||
| CF | 549 | 61 | -6.0 | -6 | -5 | -14 | 28 | 2 | -3 | ||
| RF | 23595 | 3965 | -37.0 | -25 | -26 | -90 | 1602 | -14 | -40 |
| Year | Team | Off GS | Def GS | Game Shares | WAR | W | L | Victory Shares |
|---|---|---|---|---|---|---|---|---|
| 1992 | OAK | 0.3 | 0.0 | 0.4 | 0.1 | 0.2 | 0.2 | 1 |
| 1995 | NYA | 0.3 | 0.0 | 0.3 | 0.2 | 0.2 | 0.0 | 1 |
| 2003 | NYA | 0.1 | 0.0 | 0.1 | 0.1 | 0.2 | 0.0 | 0 |
| 2004 | NYA | 0.4 | 0.0 | 0.4 | 0.0 | 0.1 | 0.3 | 0 |
| 2005 | NYA | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 |
| Career | 1.1 | 0.0 | 1.2 | 0.4 | 0.7 | 0.5 | 2 |
| Year | Team | PA | BatRuns | Adj R | RISP | BSR | DP | ROE | Fld | Pos | DH | Pit | RAA | RPW | WAA | Pos Wins | LgA | WAM | DVoDH |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1992 | OAK | 28 | 2 | 2 | 0 | -1 | 0 | 0 | -1 | 0 | 0 | 0 | 0 | 9.8 | 0.0 | 0.0 | 0.0 | 0.0 | -1 |
| 1995 | NYA | 26 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 12.9 | 0.1 | 0.0 | 0.0 | 0.1 | 0 |
| 2003 | NYA | 10 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0 |
| 2004 | NYA | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -1 | 0 | 0 | 11.3 | 0.0 | -0.1 | 0.0 | -0.1 | 0 |
| 2005 | NYA | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0 |
| Career | 105 | 3 | 3 | 1 | -1 | 0 | 0 | -1 | 0 | -1 | 0 | 2 | - | 0.2 | -0.1 | 0.0 | 0.1 | -1 |
| 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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