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
- Position
- Pitcher
- Bats / Throws
- R / R
- Height / Weight
- 6'1" / 185 lb
- MLB Debut
- 1960-07-30
- Last Game
- 1966-07-17
- Awards
- 2× All-Star
Full name: Arthur Mahaffey
Season-by-Season Pitching
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1960 | PHI | NL | 7 | 3 | 14 | 12 | 5 | 1 | 0 | 93.1 | 78 | 24 | 34 | 56 | 2.31 | 3.82 (+39%) | 265.6 |
| 1961 | PHI | NL | 11 | 19 | 36 | 32 | 12 | 3 | 0 | 219.1 | 205 | 100 | 70 | 158 | 4.10 | 4.03 (-2%) | 1373.2 |
| 1962 | PHI | NL | 19 | 14 | 41 | 39 | 20 | 2 | 0 | 274.0 | 253 | 120 | 81 | 177 | 3.94 | 3.96 (avg) | -659.1 |
| 1963 | PHI | NL | 7 | 10 | 26 | 22 | 6 | 1 | 0 | 149.0 | 143 | 66 | 48 | 97 | 3.99 | 3.46 (-15%) | -1324.8 |
| 1964 | PHI | NL | 12 | 9 | 34 | 29 | 2 | 2 | 0 | 157.1 | 161 | 79 | 82 | 80 | 4.52 | 3.58 (-26%) | -4287.7 |
| 1965 | PHI | NL | 2 | 5 | 22 | 9 | 1 | 0 | 0 | 71.0 | 82 | 49 | 32 | 52 | 6.21 | 3.50 (-78%) | -2157.6 |
| 1966 | SLN | NL | 1 | 4 | 12 | 5 | 0 | 0 | 1 | 35.0 | 37 | 25 | 21 | 19 | 6.43 | 3.52 (-83%) | -2129.8 |
| Career · 7 seasons | 59 | 64 | 185 | 148 | 46 | 9 | 1 | 999.0 | 959 | 463 | 368 | 639 | 4.17 | — | -8,920 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1960 | PHI | NL | 14 | 30 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 8 | .100 | — | — | — | — | 0.0 |
| 1961 | PHI | NL | 36 | 63 | 3 | 8 | 2 | 0 | 0 | 3 | 0 | 3 | 20 | .127 | .258 (-51%) | .328 (-50%) | .399 (-60%) | .727 (-56%) | -576.6 |
| 1962 | PHI | NL | 42 | 92 | 6 | 13 | 0 | 1 | 2 | 10 | 0 | 3 | 29 | .141 | .257 (-45%) | .326 (-46%) | .393 (-42%) | .719 (-44%) | -649.9 |
| 1963 | PHI | NL | 26 | 50 | 2 | 10 | 3 | 0 | 0 | 1 | 0 | 1 | 12 | .200 | .246 (-19%) | .308 (-25%) | .371 (-30%) | .680 (-28%) | -213.8 |
| 1964 | PHI | NL | 34 | 50 | 4 | 6 | 2 | 0 | 1 | 4 | 0 | 1 | 26 | .120 | .250 (-52%) | .312 (-56%) | .377 (-42%) | .690 (-48%) | -378.9 |
| 1965 | PHI | NL | 22 | 21 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | .095 | — | — | — | — | 0.0 |
| 1966 | SLN | NL | 12 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .000 | — | — | — | — | 0.0 |
| Career · 7 seasons | 186 | 313 | 17 | 42 | 7 | 1 | 3 | 19 | 0 | 8 | 109 | .134 | — | — | — | — | -1,819 | ||
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.
Game Log & Splits
View full game log (371 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 90 | 156 | 9 | 19 | 1 | 5 | .122 |
| Away | 96 | 157 | 8 | 23 | 2 | 14 | .146 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 90 | 523.0 | 479 | 228 | 172 | 342 | 3.92 |
| Away | 95 | 476.0 | 480 | 235 | 196 | 297 | 4.44 |
Last 10 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1966-07-17 | STL | CHC | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1966-07-14 | STL | CIN | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1966-07-04 | STL | SFG | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1966-06-28 | STL | SFG | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1966-06-17 | STL | PHI | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1966-06-13 | STL | NYN | W | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1966-06-05 | STL | ATL | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1966-05-27 | STL | CIN | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1966-05-21 | STL | CIN | L | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1966-05-15 | STL | ATL | W | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1966-07-17 | STL | CHC | L | 0.1 | 3 | 3 | 3 | 2 | 0 | 0 |
| 1966-07-14 | STL | CIN | — | 2.0 | 1 | 0 | 0 | 1 | 2 | 0 |
| 1966-07-04 | STL | SFG | — | 2.0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1966-06-28 | STL | SFG | — | 2.0 | 3 | 3 | 3 | 1 | 1 | 1 |
| 1966-06-17 | STL | PHI | — | 4.1 | 3 | 0 | 0 | 1 | 1 | 0 |
| 1966-06-13 | STL | NYN | SV | 1.2 | 1 | 0 | 0 | 0 | 3 | 0 |
| 1966-06-05 | STL | ATL | — | 2.0 | 3 | 3 | 3 | 0 | 1 | 1 |
| 1966-05-27 | STL | CIN | L | 3.0 | 5 | 5 | 3 | 0 | 1 | 3 |
| 1966-05-21 | STL | CIN | L | 6.0 | 5 | 3 | 3 | 7 | 2 | 1 |
| 1966-05-15 | STL | ATL | W | 5.1 | 6 | 3 | 3 | 2 | 3 | 0 |
Fielding Statistics
Career Fielding Totals by Position
Season-by-Season Fielding
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 185 |
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%.
Art Mahaffey (highlighted) compared to peers across the same 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.