Antonio Alfonseca

Pitcher · Career Stats, Bio & Records (1997-2007)

W–L 35–37
ERA 4.11
WHIP 1.51
SO 400
Pitcher PIV 3217.4
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'5" / 250 lb
Born
4/16/1972 in La Romana, La Romana, D.R.
MLB Debut
1997-06-17
Last Game
2007-09-23
Awards
Reliever of the Year
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Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
35 37 592 0 0 0 129 613.0 677 280 55 250 400 4.11 3217.4

Career ERA 4.11 vs. league average 4.47 across their career seasons — 8.0% better than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1997 FLO NL 1 3 17 0 0 0 0 25.7 36 14 10 19 4.91 4.39 (-12%) -28.5
1998 FLO NL 4 6 58 0 0 0 8 70.7 75 32 33 46 4.08 4.43 (+8%) -1366.6
1999 FLO NL 4 5 73 0 0 0 21 77.7 79 28 29 46 3.24 4.71 (+31%) 1607.4
2000 FLO NL 5 6 68 0 0 0 45 70.0 82 33 24 47 4.24 4.77 (+11%) 1077.2
2001 FLO NL 4 4 58 0 0 0 28 61.7 68 21 15 40 3.06 4.42 (+31%) 668.0
2002 CHN NL 2 5 66 0 0 0 19 74.3 73 33 36 61 4.00 4.28 (+7%) 960.0
2003 CHN NL 3 1 60 0 0 0 0 66.3 76 43 27 51 5.83 4.40 (-33%) 373.9
2004 ATL NL 6 4 79 0 0 0 0 73.7 71 21 28 45 2.57 4.46 (+43%) 1148.8
2005 FLO NL 1 1 33 0 0 0 0 27.3 29 15 14 16 4.94 4.29 (-15%) -181.5
2006 TEX AL 0 0 19 0 0 0 0 16.0 23 10 7 5 5.62 4.53 (-24%) -698.0
2007 PHI NL 5 2 61 0 0 0 8 49.7 65 30 27 24 5.44 4.47 (-22%) -343.4
Career · 11 seasons 35 37 592 0 0 0 129 613.0 677 280 250 400 4.11 — 3,217

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
592 14 0 2 0 0 0 2 0 0 8 .143 .143 .143 .286 0

Career AVG .143 vs. league average .267 across their career seasons — 46.4% below league average.

Career OBP .143 vs. league average .336 across their career seasons — 57.5% below league average.

Career SLG .143 vs. league average .425 across their career seasons — 66.4% below league average.

Career OPS .286 vs. league average .761 across their career seasons — 62.5% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1997 FLO NL 17 3 0 0 0 0 0 0 0 0 3 .000 — — — — 0.0
1998 FLO NL 58 4 0 0 0 0 0 0 0 0 2 .000 — — — — 0.0
1999 FLO NL 73 2 0 0 0 0 0 0 0 0 2 .000 — — — — 0.0
2000 FLO NL 68 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2001 FLO NL 58 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2002 CHN NL 66 3 0 2 0 0 0 2 0 0 0 .667 — — — — 0.0
2003 CHN NL 60 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2004 ATL NL 79 1 0 0 0 0 0 0 0 0 1 .000 — — — — 0.0
2005 FLO NL 33 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2006 TEX AL 19 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2007 PHI NL 61 1 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
Career · 11 seasons 592 14 0 2 0 0 0 2 0 0 8 .143 — — — — 0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Postseason Statistics

Playoff Career Batting

G AB R H 2B 3B HR RBI BB SO AVG
12 0 0 0 0 0 0 0 0 0 .000

Playoff Batting by Year

Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
2007 NLDS2 PHI 1 0 0 0 0 0 0 0 0 0 .000
2004 NLDS2 ATL 4 0 0 0 0 0 0 0 0 0 .000
2003 NLCS CHN 3 0 0 0 0 0 0 0 0 0 .000
2003 NLDS2 CHN 1 0 0 0 0 0 0 0 0 0 .000
1997 WS FLO 3 0 0 0 0 0 0 0 0 0 .000

Playoff Career Pitching

W L G GS SV IP H ER BB SO ERA
1 0 12 0 0 14.3 12 2 5 5 1.26

Playoff Pitching by Year

Year Round Team W L G GS SV IP H ER BB SO ERA
2007 NLDS2 PHI 0 0 1 0 0 1.0 1 0 0 0 0.00
2004 NLDS2 ATL 1 0 4 0 0 3.7 2 2 2 0 4.91
2003 NLCS CHN 0 0 3 0 0 2.3 2 0 2 0 0.00
2003 NLDS2 CHN 0 0 1 0 0 1.0 1 0 0 0 0.00
1997 WS FLO 0 0 3 0 0 6.3 6 0 1 5 0.00

Game Log & Splits

View full game log (1184 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

SplitGABRHHRRBIAVG
Home31580100.125
Away27760102.167

Pitching — Home / Away

SplitGIPHERBBSOERA
Home315340.23381221222203.22
Away277272.13391581281805.22

Last 10 Games — Pitching

DateTmOppDecIPHRERBBSOHR
2007-09-23 PHIWAS L 0.1222200
2007-09-17 PHISTL — 0.1121100
2007-09-15 PHINYN W 1.0000000
2007-09-13 PHICOL — 0.2000010
2007-09-09 PHIMIA — 0.2000020
2007-09-07 PHIMIA — 1.0100010
2007-09-03 PHIATL — 0.1000000
2007-09-01 PHIMIA — 1.0333001
2007-08-30 PHINYN — 0.0244300
2007-08-27 PHINYN — 0.0100000

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
P 592 0 31 84 4 8

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
1997 FLO P 17 0 1 3 0 0
1998 FLO P 58 0 4 6 1 1
1999 FLO P 73 0 5 14 0 2
2000 FLO P 68 0 1 14 1 1
2001 FLO P 58 0 6 8 0 1
2002 CHN P 66 0 4 13 1 1
2003 CHN P 60 0 2 8 1 0
2004 ATL P 79 0 3 7 0 0
2005 FLO P 33 0 3 4 0 2
2006 TEX P 19 0 1 3 0 0
2007 PHI P 61 0 1 4 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position Games
Pitcher 592

Awards & Honors

Year Award Notes
2000 Reliever of the Year Award
2000 TSN Fireman of the Year

Salary History

Year Team League Salary
2007 PHI NL $380,000
2006 TEX AL $2,750,000
2005 FLO NL $300,000
2004 ATL NL $1,350,000
2003 CHN NL $4,000,000
2002 CHN NL $3,550,000
2001 FLO NL $2,450,000
2000 FLO NL $380,000
1999 FLO NL $250,000
1998 FLO NL $175,000
1997 FLO NL $150,000
Total Career Earnings $15,735,000

Award Voting History

Year Award League Finish Points Won Points Max Votes First
2000 Most Valuable Player NL 22th 1.0 448 0

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Career Spans

Antonio Alfonseca (highlighted) compared to peers across the same era.

  1. 98
    Mike DeJean
    30-33, 4.30 ERA
  2. 97
    Mike Fetters
    31-41, 3.86 ERA
  3. 94
    Jerry Dipoto
    27-24, 4.05 ERA
  4. 93
    Ed Nunez
    28-36, 4.19 ERA
  5. 91
    Joe Boever
    34-45, 3.93 ERA
  6. 90
    Matt Herges
    43-35, 3.91 ERA

Frequently Asked Questions about Antonio Alfonseca

What years did Antonio Alfonseca play?
Antonio Alfonseca played in Major League Baseball from 1997 to 2007.
Was Antonio Alfonseca a pitcher?
Yes. Antonio Alfonseca pitched in the major leagues, recording 35 wins and 400 strikeouts.
How many home runs did Antonio Alfonseca hit?
Antonio Alfonseca hit 0 career home runs with 2 hits.