Arnie Portocarrero
Pitcher · Career Stats, Bio & Records (1954-1960)
Arnie Portocarrero was a pitcher who played in Major League Baseball from 1954 to 1960 for the Philadelphia Athletics, the Kansas City Athletics, and the Baltimore Orioles, a span of 7 seasons. Across 166 career appearances, he went 38-57 with a 4.32 ERA and 338 strikeouts. He also batted .108 with 3 home runs.
- 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
- 6'3" / 196 lb
- Died
- 6/21/1986 in Kansas City, KS, USA
- MLB Debut
- 1954-04-18
- Last Game
- 1960-06-15
Full name: Arnold Mario Portocarrero
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1954 | PHA | AL | 9 | 18 | 34 | 33 | 16 | 1 | 0 | 248.0 | 233 | 112 | 114 | 132 | 4.06 | 3.90 (-4%) | -1154.8 |
| 1955 | KC1 | AL | 5 | 9 | 24 | 20 | 4 | 1 | 0 | 111.1 | 109 | 59 | 67 | 34 | 4.77 | 4.00 (-19%) | -2987.0 |
| 1956 | KC1 | AL | 0 | 1 | 3 | 1 | 0 | 0 | 0 | 8.0 | 9 | 9 | 7 | 2 | 10.12 | — | 0.0 |
| 1957 | KC1 | AL | 4 | 9 | 33 | 17 | 1 | 0 | 0 | 114.2 | 103 | 50 | 34 | 42 | 3.92 | 3.83 (-2%) | 21.4 |
| 1958 | BAL | AL | 15 | 11 | 32 | 27 | 10 | 3 | 2 | 204.2 | 173 | 74 | 57 | 90 | 3.25 | 3.86 (+16%) | 1631.5 |
| 1959 | BAL | AL | 2 | 7 | 27 | 14 | 1 | 0 | 0 | 90.0 | 107 | 68 | 32 | 23 | 6.80 | 3.90 (-74%) | -1587.8 |
| 1960 | BAL | AL | 3 | 2 | 13 | 5 | 1 | 0 | 0 | 40.2 | 44 | 20 | 9 | 15 | 4.43 | 3.82 (-16%) | -563.3 |
| Career · 7 seasons | 38 | 57 | 166 | 117 | 33 | 5 | 2 | 817.1 | 778 | 392 | 320 | 338 | 4.32 | — | -4,640 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 166 | 240 | 11 | 26 | 2 | 1 | 3 | 11 | 0 | 12 | 98 | .108 | .151 | .163 | .313 | -1,091 |
Career AVG .108 vs. league average .258 across their career seasons — 58.0% below league average.
Career OBP .151 vs. league average .328 across their career seasons — 54.0% below league average.
Career SLG .163 vs. league average .392 across their career seasons — 58.6% below league average.
Career OPS .313 vs. league average .720 across their career seasons — 56.5% 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1954 | PHA | AL | 34 | 75 | 3 | 8 | 0 | 1 | 1 | 2 | 0 | 5 | 30 | .107 | .261 (-59%) | .333 (-51%) | .390 (-56%) | .723 (-54%) | -652.5 |
| 1955 | KC1 | AL | 24 | 37 | 3 | 4 | 0 | 0 | 1 | 1 | 0 | 1 | 17 | .108 | — | — | — | — | 0.0 |
| 1956 | KC1 | AL | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | — | — | — | — | 0.0 |
| 1957 | KC1 | AL | 33 | 28 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 9 | .107 | — | — | — | — | 0.0 |
| 1958 | BAL | AL | 32 | 67 | 4 | 11 | 2 | 0 | 1 | 8 | 0 | 2 | 23 | .164 | .257 (-36%) | .324 (-42%) | .394 (-39%) | .719 (-41%) | -438.6 |
| 1959 | BAL | AL | 27 | 21 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | .000 | — | — | — | — | 0.0 |
| 1960 | BAL | AL | 13 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | .000 | — | — | — | — | 0.0 |
| Career · 7 seasons | 166 | 240 | 11 | 26 | 2 | 1 | 3 | 11 | 0 | 12 | 98 | .108 | — | — | — | — | -1,091 | ||
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 (332 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 87 | 120 | 5 | 12 | 2 | 4 | .100 |
| Away | 79 | 121 | 6 | 14 | 1 | 7 | .116 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 87 | 436.2 | 426 | 218 | 160 | 176 | 4.49 |
| Away | 79 | 380.2 | 351 | 174 | 160 | 164 | 4.11 |
Last 10 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1960-06-15 | BAL | CLE | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1960-06-09 | BAL | DET | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1960-06-07 | BAL | DET | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1960-06-03 | BAL | MIN | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1960-05-30 | BAL | BOS | L | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1960-05-21 | BAL | DET | W | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1960-05-16 | BAL | KC1 | W | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1960-05-11 | BAL | KC1 | W | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1960-05-05 | BAL | CLE | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1960-05-02 | BAL | CHW | W | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1960-06-15 | BAL | CLE | — | 2.0 | 6 | 5 | 2 | 1 | 0 | 2 |
| 1960-06-09 | BAL | DET | L | 0.0 | 1 | 2 | 2 | 1 | 0 | 1 |
| 1960-06-07 | BAL | DET | — | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1960-06-03 | BAL | MIN | — | 2.0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1960-05-30 | BAL | BOS | L | 5.0 | 7 | 6 | 6 | 3 | 4 | 2 |
| 1960-05-21 | BAL | DET | — | 4.0 | 7 | 3 | 3 | 0 | 0 | 0 |
| 1960-05-16 | BAL | KC1 | W | 6.0 | 4 | 1 | 1 | 0 | 3 | 0 |
| 1960-05-11 | BAL | KC1 | — | 2.0 | 3 | 0 | 0 | 0 | 0 | 0 |
| 1960-05-05 | BAL | CLE | — | 1.0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 1960-05-02 | BAL | CHW | W | 5.0 | 3 | 1 | 1 | 2 | 2 | 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 | 166 |
Most Similar Players
Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.
Arnie Portocarrero (highlighted) compared to peers across the same era.
Arnie Portocarrero: the record in brief
The profile opens with Arnie Portocarrero's first major league game on April 18, 1954; the last one listed came on June 15, 1960. The team column moves through the Philadelphia Athletics (1954), the Kansas City Athletics (1955 to 1957), and the Baltimore Orioles (1958 to 1960). Born on July 5, 1931, in New York, NY, USA, Portocarrero is listed as a pitcher and batted and threw right-handed. Size on record: 196 pounds on a 6-foot-3 frame. Portocarrero died on June 21, 1986, in Kansas City, KS, USA. On the record, Arnie Portocarrero was born Arnold Mario Portocarrero.
Portocarrero pitched in 166 games, starting 117, and finished with a 38-57 record and 4.32 ERA. Also on Portocarrero's record: 338 strikeouts, 33 complete games, and 5 shutouts. The league ERA over Portocarrero's seasons was 3.90, so the 4.32 figure ran 10.8% worse than average. 1958 brought Portocarrero a season-high 15 wins. The strikeout high was 132 in 1954. 1958 was Portocarrero's sharpest full season, a 3.25 ERA against the league's 3.86.
Frequently Asked Questions about Arnie Portocarrero
- What years did Arnie Portocarrero play?
- Arnie Portocarrero played in Major League Baseball from 1954 to 1960.
- Was Arnie Portocarrero a pitcher?
- Yes. Arnie Portocarrero pitched in the major leagues, recording 38 wins and 338 strikeouts.
- How many home runs did Arnie Portocarrero hit?
- Arnie Portocarrero hit 3 career home runs with 26 hits.
- What teams did Arnie Portocarrero play for?
- Arnie Portocarrero played for 2 teams: the Kansas City Athletics (1954–1957) and the Baltimore Orioles (1958–1960).
- What were Arnie Portocarrero's career stats?
- In 166 games, Arnie Portocarrero went 38-57 with a 4.32 ERA, 338 strikeouts, 817.1 innings pitched, and 2 saves. At the plate he had 26 hits and 3 home runs.
- What position did Arnie Portocarrero play?
- Arnie Portocarrero played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Arnie Portocarrero and how much did he weigh?
- Arnie Portocarrero was listed at 6 feet 3 inches and 196 pounds.
- What was Arnie Portocarrero's career ERA?
- Arnie Portocarrero finished with a 4.32 career ERA, going 38-57 with 338 strikeouts.
- How many strikeouts did Arnie Portocarrero have?
- Arnie Portocarrero recorded 338 career strikeouts.
- Is Arnie Portocarrero in the Hall of Fame?
- No. Arnie Portocarrero has not been inducted into the National Baseball Hall of Fame.