Antonio Alfonseca

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

Antonio Alfonseca was a pitcher who played in Major League Baseball from 1997 to 2007 for 5 teams, including the Florida Marlins, a span of 11 seasons. Across 592 career appearances, he went 35-37 with a 4.11 ERA, 400 strikeouts, and 129 saves. Antonio Alfonseca was a Reliever of the Year. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 3217.4.

W (Wins):
Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):
Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):
For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):
Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated

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

Career Pitching Statistics

Antonio Alfonseca — 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.

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

Antonio Alfonseca — 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.

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

Antonio Alfonseca — 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

Antonio Alfonseca — 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

Antonio Alfonseca — Playoff Career Pitching
W L G GS SV IP H ER BB SO ERA
1 0 12 0 0 14.1 12 2 5 5 1.26

Playoff Pitching by Year

Antonio Alfonseca — 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 3.2 2 2 2 0 4.91
2003 NLCS CHN 0 0 3 0 0 2.1 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 6.1 6 0 1 5 0.00

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

Batting — Home / Away

Antonio Alfonseca — Batting — Home / Away
SplitGABRHHRRBIAVG
Home31580100.125
Away27760102.167

Pitching — Home / Away

Antonio Alfonseca — Pitching — Home / Away
SplitGIPHERBBSOERA
Home315340.23381221222203.22
Away277272.13391581281805.22

Last 10 Games — Pitching

Antonio Alfonseca — 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

Antonio Alfonseca — Career Fielding Totals by Position
Position G GS PO A E DP
P 592 0 31 84 4 8

Season-by-Season Fielding

Career Games by Position

Position Diamond

Circle size = games played at each position.

Antonio Alfonseca Stats, Bio & Career Records
Position Games
Pitcher 592

Awards & Honors

Antonio Alfonseca — Awards & Honors
Year Award Notes
2000 Reliever of the Year Award
2000 TSN Fireman of the Year

Salary History

Antonio Alfonseca's recorded salaries total $15,735,000 over 11 seasons, 1997 to 2007. Alfonseca's career, 1997 to 2007, falls within 1985 to 2016, the years the salary data covers.

Antonio Alfonseca — 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 recorded salary $15,735,000

Award Voting History

Antonio Alfonseca — 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

Antonio Alfonseca: the record in brief

Between the debut on June 17, 1997 and the final game on September 23, 2007, Antonio Alfonseca built the record summarized on this page. Club by club, the record runs the Florida Marlins (1997 to 2005), the Chicago Cubs (2002 to 2003), the Atlanta Braves (2004), the Texas Rangers (2006), and the Philadelphia Phillies (2007). Alfonseca, born on April 16, 1972, in La Romana, La Romana, D.R., is listed as a pitcher and both batted and threw right-handed. The bio gives 6'5" and 250 pounds.

The pitching table credits Alfonseca with a 35-37 record and a 4.11 ERA in 592 games. The same table counts 400 strikeouts and 129 saves. That 4.11 ERA compares with a 4.47 league average across the same seasons, 8.0% better. No season topped the 6 wins of 2004. 2002 produced Alfonseca's most strikeouts, 61. Alfonseca saved 45 games in 2000, the season high. 2004 was Alfonseca's sharpest full season, a 2.57 ERA against the league's 4.46.

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.
What teams did Antonio Alfonseca play for?
Antonio Alfonseca played for 5 teams: the Florida Marlins (1997–2001, 2005), the Chicago Cubs (2002–2003), the Atlanta Braves (2004), the Texas Rangers (2006), and the Philadelphia Phillies (2007).
What were Antonio Alfonseca's career stats?
In 592 games, Antonio Alfonseca went 35-37 with a 4.11 ERA, 400 strikeouts, 613.0 innings pitched, and 129 saves.
How much did Antonio Alfonseca earn in his career?
Antonio Alfonseca's recorded salaries total $15,735,000 over 11 seasons, 1997 to 2007. Alfonseca's career, 1997 to 2007, falls within 1985 to 2016, the years the salary data covers.
What was Antonio Alfonseca's salary?
Antonio Alfonseca's last recorded salary was $380,000, in 2007. His highest recorded salary was $4,000,000, in 2003, and his lowest was $150,000, in 1997. The Salary History table lists each season from 1997 to 2007.
What position did Antonio Alfonseca play?
Antonio Alfonseca played primarily as a pitcher, the position where he appeared in the most games.
How tall was Antonio Alfonseca and how much did he weigh?
Antonio Alfonseca was listed at 6 feet 5 inches and 250 pounds.
What was Antonio Alfonseca's career ERA?
Antonio Alfonseca finished with a 4.11 career ERA, going 35-37 with 400 strikeouts.
How many strikeouts did Antonio Alfonseca have?
Antonio Alfonseca recorded 400 career strikeouts.
Is Antonio Alfonseca in the Hall of Fame?
No. Antonio Alfonseca has not been inducted into the National Baseball Hall of Fame.