Fritz Ostermueller
Pitcher · Career Stats, Bio & Records (1934-1948)
Fritz Ostermueller was a pitcher who played in Major League Baseball from 1934 to 1948 for 4 teams, including the Boston Red Sox, a span of 15 seasons. Across 390 career appearances, he went 114-115 with a 3.99 ERA and 774 strikeouts. He also batted .234 with 0 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
- L / L
- Height / Weight
- 5'11" / 175 lb
- Died
- 12/17/1957 in Quincy, IL, USA
- MLB Debut
- 1934-04-21
- Last Game
- 1948-09-30
Full name: Frederick Raymond Ostermueller
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1934 | BOS | AL | 10 | 13 | 33 | 23 | 10 | 0 | 3 | 198.2 | 200 | 77 | 99 | 75 | 3.49 | 4.29 (+19%) | -706.4 |
| 1935 | BOS | AL | 7 | 8 | 22 | 19 | 10 | 0 | 1 | 137.2 | 135 | 60 | 78 | 41 | 3.92 | 4.35 (+10%) | -43.6 |
| 1936 | BOS | AL | 10 | 16 | 43 | 23 | 7 | 1 | 2 | 180.2 | 210 | 98 | 84 | 90 | 4.88 | 4.59 (-6%) | 962.7 |
| 1937 | BOS | AL | 3 | 7 | 25 | 7 | 2 | 0 | 1 | 86.2 | 101 | 48 | 44 | 29 | 4.98 | 4.34 (-15%) | -113.9 |
| 1938 | BOS | AL | 13 | 5 | 31 | 18 | 10 | 1 | 2 | 176.2 | 199 | 90 | 58 | 46 | 4.58 | 4.35 (-5%) | -1608.6 |
| 1939 | BOS | AL | 11 | 7 | 34 | 20 | 8 | 0 | 4 | 159.1 | 173 | 75 | 58 | 61 | 4.24 | 4.28 (+1%) | 1491.8 |
| 1940 | BOS | AL | 5 | 9 | 31 | 16 | 5 | 0 | 0 | 143.2 | 166 | 79 | 70 | 80 | 4.95 | 4.21 (-17%) | 846.1 |
| 1941 | SLA | AL | 0 | 3 | 15 | 2 | 0 | 0 | 0 | 46.0 | 45 | 23 | 23 | 20 | 4.50 | 3.94 (-14%) | -398.8 |
| 1942 | SLA | AL | 3 | 1 | 10 | 4 | 2 | 0 | 0 | 43.2 | 46 | 18 | 17 | 21 | 3.71 | 3.57 (-4%) | -442.6 |
| 1943 | SLA | AL | 0 | 2 | 11 | 3 | 0 | 0 | 0 | 28.2 | 36 | 16 | 13 | 4 | 5.02 | 3.50 (-43%) | -489.8 |
| 1943 | BRO | NL | 1 | 1 | 7 | 1 | 0 | 0 | 0 | 27.1 | 21 | 10 | 12 | 15 | 3.29 | 3.50 (+6%) | 434.4 |
| 1944 | BRO | NL | 2 | 1 | 10 | 4 | 3 | 0 | 1 | 41.2 | 46 | 15 | 12 | 17 | 3.24 | 3.57 (+9%) | -91.2 |
| 1944 | PIT | NL | 11 | 7 | 28 | 24 | 14 | 1 | 1 | 204.2 | 201 | 62 | 65 | 80 | 2.73 | 3.57 (+24%) | 1422.0 |
| 1945 | PIT | NL | 5 | 4 | 14 | 11 | 4 | 1 | 0 | 80.2 | 74 | 41 | 37 | 29 | 4.57 | 3.67 (-25%) | -1509.7 |
| 1946 | PIT | NL | 13 | 10 | 27 | 25 | 16 | 2 | 0 | 193.1 | 193 | 61 | 56 | 57 | 2.84 | 3.59 (+21%) | 1724.5 |
| 1947 | PIT | NL | 12 | 10 | 26 | 24 | 12 | 3 | 0 | 183.0 | 181 | 78 | 68 | 66 | 3.84 | 3.97 (+3%) | -1889.1 |
| 1948 | PIT | NL | 8 | 11 | 23 | 22 | 10 | 2 | 0 | 134.1 | 143 | 66 | 41 | 43 | 4.42 | 4.10 (-8%) | -759.4 |
| Career · 17 seasons | 114 | 115 | 390 | 246 | 113 | 11 | 15 | 2,066.2 | 2,170 | 917 | 835 | 774 | 3.99 | — | -1,172 | ||
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 399 | 749 | 60 | 175 | 22 | 4 | 0 | 62 | 1 | 35 | 80 | .234 | .270 | .274 | .543 | -2,235 |
Career AVG .234 vs. league average .267 across their career seasons — 12.6% below league average.
Career OBP .270 vs. league average .336 across their career seasons — 19.6% below league average.
Career SLG .274 vs. league average .377 across their career seasons — 27.5% below league average.
Career OPS .543 vs. league average .713 across their career seasons — 23.8% 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1934 | BOS | AL | 33 | 78 | 4 | 13 | 2 | 1 | 0 | 4 | 0 | 4 | 8 | .167 | .278 (-40%) | .340 (-39%) | .392 (-45%) | .733 (-42%) | -541.3 |
| 1935 | BOS | AL | 22 | 49 | 3 | 14 | 1 | 0 | 0 | 7 | 0 | 2 | 5 | .286 | — | — | — | — | -107.9 |
| 1936 | BOS | AL | 43 | 64 | 3 | 15 | 2 | 1 | 0 | 7 | 0 | 0 | 10 | .234 | .283 (-17%) | .349 (-33%) | .404 (-27%) | .753 (-30%) | -329.2 |
| 1937 | BOS | AL | 25 | 33 | 5 | 11 | 3 | 0 | 0 | 6 | 0 | 1 | 0 | .333 | — | — | — | — | 0.0 |
| 1938 | BOS | AL | 33 | 74 | 7 | 16 | 4 | 1 | 0 | 9 | 0 | 4 | 8 | .216 | .272 (-21%) | .341 (-25%) | .392 (-24%) | .734 (-25%) | -312.7 |
| 1939 | BOS | AL | 34 | 56 | 4 | 9 | 0 | 1 | 0 | 4 | 0 | 3 | 5 | .161 | .274 (-41%) | .342 (-41%) | .393 (-50%) | .735 (-46%) | -420.9 |
| 1940 | BOS | AL | 33 | 54 | 9 | 17 | 3 | 0 | 0 | 1 | 0 | 3 | 6 | .315 | .267 (+18%) | .335 (+5%) | .387 (-4%) | .722 (avg) | -1.8 |
| 1941 | SLA | AL | 16 | 14 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | .214 | — | — | — | — | 0.0 |
| 1942 | SLA | AL | 10 | 16 | 1 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | .188 | — | — | — | — | 0.0 |
| 1943 | SLA | AL | 11 | 7 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | .286 | — | — | — | — | 0.0 |
| 1943 | BRO | NL | 8 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | .000 | — | — | — | — | 0.0 |
| 1944 | BRO | NL | 11 | 13 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | .154 | — | — | — | — | 0.0 |
| 1944 | PIT | NL | 29 | 80 | 7 | 20 | 2 | 0 | 0 | 6 | 1 | 2 | 6 | .250 | .261 (-4%) | .325 (-18%) | .357 (-23%) | .683 (-21%) | 0.0 |
| 1945 | PIT | NL | 14 | 28 | 2 | 9 | 0 | 0 | 0 | 4 | 0 | 3 | 0 | .321 | — | — | — | — | 0.0 |
| 1946 | PIT | NL | 28 | 64 | 7 | 21 | 3 | 0 | 0 | 2 | 0 | 5 | 8 | .328 | .256 (+28%) | .328 (+17%) | .358 (+5%) | .687 (+11%) | 124.3 |
| 1947 | PIT | NL | 26 | 64 | 6 | 12 | 1 | 0 | 0 | 5 | 0 | 4 | 12 | .188 | .262 (-29%) | .336 (-30%) | .376 (-46%) | .712 (-38%) | -389.0 |
| 1948 | PIT | NL | 23 | 44 | 1 | 8 | 1 | 0 | 0 | 4 | 0 | 1 | 6 | .182 | — | — | — | — | 0.0 |
| Career · 17 seasons | 399 | 749 | 60 | 175 | 22 | 4 | 0 | 62 | 1 | 35 | 80 | .234 | — | — | — | — | -1,979 | ||
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 (789 games) →Per-game data from Retrosheet (regular season, through 2025).
Batting — Home / Away
| Split | G | AB | R | H | HR | RBI | AVG |
|---|---|---|---|---|---|---|---|
| Home | 197 | 350 | 32 | 89 | 0 | 39 | .254 |
| Away | 202 | 399 | 28 | 86 | 0 | 24 | .216 |
Pitching — Home / Away
| Split | G | IP | H | ER | BB | SO | ERA |
|---|---|---|---|---|---|---|---|
| Home | 194 | 1046.0 | 1129 | 474 | 412 | 388 | 4.08 |
| Away | 196 | 1020.2 | 1040 | 443 | 428 | 395 | 3.91 |
Last 10 Games — Batting
| Date | Tm | Opp | Res | AB | R | H | 2B | 3B | HR | RBI | BB | SO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1948-09-30 | PIT | STL | L | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1948-09-24 | PIT | CIN | L | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1948-09-18 | PIT | BSN | L | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1948-09-14 | PIT | BRO | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 1948-09-07 | PIT | STL | W | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1948-08-30 | PIT | BSN | W | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1948-08-28 | PIT | PHI | L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1948-08-20 | PIT | STL | L | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1948-08-14 | PIT | STL | L | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1948-08-06 | PIT | NY1 | L | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Last 10 Games — Pitching
| Date | Tm | Opp | Dec | IP | H | R | ER | BB | SO | HR |
|---|---|---|---|---|---|---|---|---|---|---|
| 1948-09-30 | PIT | STL | L | 5.0 | 7 | 3 | 3 | 3 | 0 | 0 |
| 1948-09-24 | PIT | CIN | L | 7.0 | 8 | 4 | 3 | 2 | 1 | 0 |
| 1948-09-18 | PIT | BSN | L | 8.0 | 9 | 2 | 1 | 0 | 2 | 0 |
| 1948-09-14 | PIT | BRO | L | 3.0 | 4 | 4 | 4 | 1 | 1 | 1 |
| 1948-09-07 | PIT | STL | W | 9.0 | 7 | 2 | 2 | 3 | 2 | 1 |
| 1948-08-30 | PIT | BSN | W | 9.0 | 9 | 1 | 1 | 0 | 2 | 0 |
| 1948-08-28 | PIT | PHI | L | 0.2 | 3 | 3 | 3 | 3 | 0 | 0 |
| 1948-08-20 | PIT | STL | L | 5.1 | 8 | 6 | 4 | 2 | 1 | 0 |
| 1948-08-14 | PIT | STL | L | 3.1 | 6 | 5 | 5 | 2 | 2 | 1 |
| 1948-08-06 | PIT | NY1 | L | 7.0 | 9 | 7 | 6 | 3 | 2 | 0 |
Fielding Statistics
Career Fielding Totals by Position
| Position | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|
| P | 390 | 0 | 108 | 373 | 23 | 15 |
Season-by-Season Fielding
| Year | Team | Pos | G | GS | PO | A | E | DP |
|---|---|---|---|---|---|---|---|---|
| 1934 | BOS | P | 33 | 0 | 8 | 52 | 2 | 2 |
| 1935 | BOS | P | 22 | 0 | 9 | 27 | 5 | 1 |
| 1936 | BOS | P | 43 | 0 | 10 | 42 | 1 | 1 |
| 1937 | BOS | P | 25 | 0 | 9 | 17 | 3 | 0 |
| 1938 | BOS | P | 31 | 0 | 15 | 30 | 4 | 3 |
| 1939 | BOS | P | 34 | 0 | 12 | 22 | 2 | 2 |
| 1940 | BOS | P | 31 | 0 | 2 | 21 | 1 | 0 |
| 1941 | SLA | P | 15 | 0 | 3 | 10 | 1 | 0 |
| 1942 | SLA | P | 10 | 0 | 2 | 6 | 0 | 0 |
| 1943 | SLA | P | 11 | 0 | 0 | 8 | 0 | 0 |
| 1943 | BRO | P | 7 | 0 | 0 | 4 | 0 | 0 |
| 1944 | BRO | P | 10 | 0 | 3 | 5 | 1 | 1 |
| 1944 | PIT | P | 28 | 0 | 6 | 36 | 1 | 1 |
| 1945 | PIT | P | 14 | 0 | 8 | 14 | 1 | 0 |
| 1946 | PIT | P | 27 | 0 | 9 | 33 | 1 | 0 |
| 1947 | PIT | P | 26 | 0 | 9 | 25 | 0 | 4 |
| 1948 | PIT | P | 23 | 0 | 3 | 21 | 0 | 0 |
Career Games by Position
Circle size = games played at each position.
| Position | Games |
|---|---|
| Pitcher | 390 |
Most Similar Players
Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.
Fritz Ostermueller (highlighted) compared to peers across the same era.
Fritz Ostermueller: the record in brief
The profile opens with Fritz Ostermueller's first major league game on April 21, 1934; the last one listed came on September 30, 1948. By club, Ostermueller's seasons break down as the Boston Red Sox (1934 to 1940), the St. Louis Browns (1941 to 1943), the Brooklyn Dodgers (1943 through 1944), and the Pittsburgh Pirates (1944 through 1948). Ostermueller, born on September 15, 1907, in Quincy, IL, USA, is listed as a pitcher and threw and hit left-handed. Ostermueller's listed size is 5-foot-11 and 175 pounds. The bio records the death on December 17, 1957, in Quincy, IL, USA. The given name on file is Frederick Raymond Ostermueller.
Ostermueller went 114-115 with a 3.99 ERA in 390 games, 246 of them starts. Also on Ostermueller's record: 774 strikeouts, 113 complete games, 11 shutouts, and 15 saves. Ostermueller's 3.99 ERA was close to the 4.02 league figure for those seasons. The best win total was 13, in 1938. 1936 produced Ostermueller's most strikeouts, 90.
Frequently Asked Questions about Fritz Ostermueller
- What years did Fritz Ostermueller play?
- Fritz Ostermueller played in Major League Baseball from 1934 to 1948.
- Was Fritz Ostermueller a pitcher?
- Yes. Fritz Ostermueller pitched in the major leagues, recording 114 wins and 774 strikeouts.
- How many home runs did Fritz Ostermueller hit?
- Fritz Ostermueller hit 0 career home runs with 175 hits.
- What teams did Fritz Ostermueller play for?
- Fritz Ostermueller played for 4 teams: the Boston Red Sox (1934–1940), the St. Louis Browns (1941–1943), the Brooklyn Dodgers (1943–1944), and the Pittsburgh Pirates (1944–1948).
- What were Fritz Ostermueller's career stats?
- In 390 games, Fritz Ostermueller went 114-115 with a 3.99 ERA, 774 strikeouts, 2,066.2 innings pitched, and 15 saves. At the plate he had 175 hits and 0 home runs.
- What position did Fritz Ostermueller play?
- Fritz Ostermueller played primarily as a pitcher, the position where he appeared in the most games.
- How tall was Fritz Ostermueller and how much did he weigh?
- Fritz Ostermueller was listed at 5 feet 11 inches and 175 pounds.
- What was Fritz Ostermueller's career ERA?
- Fritz Ostermueller finished with a 3.99 career ERA, going 114-115 with 774 strikeouts.
- How many strikeouts did Fritz Ostermueller have?
- Fritz Ostermueller recorded 774 career strikeouts.
- Is Fritz Ostermueller in the Hall of Fame?
- No. Fritz Ostermueller has not been inducted into the National Baseball Hall of Fame.