Art Mahaffey

Pitcher · Career Stats, Bio & Records (1960-1966)

Art Mahaffey was a pitcher who played in Major League Baseball from 1960 to 1966 for the Philadelphia Phillies and the St. Louis Cardinals, a span of 7 seasons. Across 185 career appearances, he went 59-64 with a 4.17 ERA and 639 strikeouts. He also batted .134 with 3 home runs. Art Mahaffey was a 2-time All-Star.

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 59–64
ERA 4.17
WHIP 1.33
SO 639
Pitcher PIV -8920.2
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'1" / 185 lb
Born
6/4/1938 in Cincinnati, OH, USA
MLB Debut
1960-07-30
Last Game
1966-07-17
Awards
2× All-Star

Full name: Arthur Mahaffey

Career Pitching Statistics

Art Mahaffey — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
59 64 185 148 46 9 1 999.0 959 463 125 368 639 4.17 -8920.2

Career ERA 4.17 vs. league average 3.68 across their career seasons — 13.2% worse 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

Art Mahaffey — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
186 313 17 42 7 1 3 19 0 8 109 .134 .160 .192 .352 -1,819

Career AVG .134 vs. league average .251 across their career seasons — 46.6% below league average.

Career OBP .160 vs. league average .317 across their career seasons — 49.3% below league average.

Career SLG .192 vs. league average .382 across their career seasons — 49.8% below league average.

Career OPS .352 vs. league average .699 across their career seasons — 49.6% 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.

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

Batting — Home / Away

Art Mahaffey — Batting — Home / Away
SplitGABRHHRRBIAVG
Home9015691915.122
Away96157823214.146

Pitching — Home / Away

Art Mahaffey — Pitching — Home / Away
SplitGIPHERBBSOERA
Home90523.04792281723423.92
Away95476.04802351962974.44

Last 10 Games — Batting

Art Mahaffey — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1966-07-17 STLCHCL 000000000
1966-07-14 STLCINL 000000000
1966-07-04 STLSFGL 000000000
1966-06-28 STLSFGL 000000000
1966-06-17 STLPHIL 100000001
1966-06-13 STLNYNW 000000000
1966-06-05 STLATLL 000000000
1966-05-27 STLCINL 100000001
1966-05-21 STLCINL 200000001
1966-05-15 STLATLW 200000000

Last 10 Games — Pitching

Art Mahaffey — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1966-07-17 STLCHC L 0.1333200
1966-07-14 STLCIN — 2.0100120
1966-07-04 STLSFG — 2.0000100
1966-06-28 STLSFG — 2.0333111
1966-06-17 STLPHI — 4.1300110
1966-06-13 STLNYN SV 1.2100030
1966-06-05 STLATL — 2.0333011
1966-05-27 STLCIN L 3.0553013
1966-05-21 STLCIN L 6.0533721
1966-05-15 STLATL W 5.1633230

Fielding Statistics

Career Fielding Totals by Position

Art Mahaffey — Career Fielding Totals by Position
Position G GS PO A E DP
P 185 148 56 116 5 5

Season-by-Season Fielding

Career Games by Position

Position Diamond

Circle size = games played at each position.

Art Mahaffey — Career Games by Position
Position Games
Pitcher 185

Award Voting History

Art Mahaffey — Award Voting History
Year Award League Finish Points Won Points Max Votes First
1962 Most Valuable Player NL 26th 2.0 280 0
1960 Rookie of the Year NL 3rd 3.0 24 3

Most Similar Players

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

Career Spans

Art Mahaffey (highlighted) compared to peers across the same era.

  1. 98
    Charles Hudson
    50-60, 4.14 ERA
  2. 80
    Miguel Gonzalez
    52-57, 4.06 ERA
  3. 79
    Phil Ortega
    46-62, 4.43 ERA
  4. 78
    Kelly Downs
    57-53, 3.86 ERA
  5. 71
    Luis Leal
    51-58, 4.14 ERA
  6. 68
    Zach Davies
    60-58, 4.36 ERA

Art Mahaffey: the record in brief

According to the bio, Art Mahaffey debuted on July 30, 1960 and played a final game on July 17, 1966. Club by club, the record runs the Philadelphia Phillies (1960 through 1965) and the St. Louis Cardinals (1966). Listed as a pitcher, Mahaffey both batted and threw right-handed. The recorded size is 185 pounds on a 6-foot-1 frame. Mahaffey was born on June 4, 1938, in Cincinnati, OH, USA. Art Mahaffey was the playing name; the full given name is Arthur.

Mahaffey went 59-64 with a 4.17 ERA in 185 games, 148 of them starts. Mahaffey had 639 strikeouts, 46 complete games, and 9 shutouts. Against a 3.68 league ERA for the same seasons, the 4.17 mark was 13.2% worse. The best win total was 19, in 1962. Among the heaviest workloads, the lowest ERA was 3.94 in 1962, when the league's was 3.96.

Frequently Asked Questions about Art Mahaffey

What years did Art Mahaffey play?
Art Mahaffey played in Major League Baseball from 1960 to 1966.
Was Art Mahaffey a pitcher?
Yes. Art Mahaffey pitched in the major leagues, recording 59 wins and 639 strikeouts.
How many home runs did Art Mahaffey hit?
Art Mahaffey hit 3 career home runs with 42 hits.
What teams did Art Mahaffey play for?
Art Mahaffey played for 2 teams: the Philadelphia Phillies (1960–1965) and the St. Louis Cardinals (1966).
Did Art Mahaffey win a Cy Young Award?
No. Art Mahaffey did not win the Cy Young Award.
What awards did Art Mahaffey win?
Art Mahaffey was selected to 2 All-Star Games.
What were Art Mahaffey's career stats?
In 185 games, Art Mahaffey went 59-64 with a 4.17 ERA, 639 strikeouts, 999.0 innings pitched, and 1 saves. At the plate he had 42 hits and 3 home runs.
What position did Art Mahaffey play?
Art Mahaffey played primarily as a pitcher, the position where he appeared in the most games.
How tall was Art Mahaffey and how much did he weigh?
Art Mahaffey was listed at 6 feet 1 inch and 185 pounds.
What was Art Mahaffey's career ERA?
Art Mahaffey finished with a 4.17 career ERA, going 59-64 with 639 strikeouts.
How many strikeouts did Art Mahaffey have?
Art Mahaffey recorded 639 career strikeouts.
Is Art Mahaffey in the Hall of Fame?
No. Art Mahaffey has not been inducted into the National Baseball Hall of Fame.
How many All-Star Games did Art Mahaffey make?
Art Mahaffey was selected to 2 All-Star Games.