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

W–L 114–115
ERA 3.99
WHIP 1.45
SO 774
Pitcher PIV -1171.7
Position
Pitcher
Bats / Throws
L / L
Height / Weight
5'11" / 175 lb
Born
9/15/1907 in Quincy, IL, USA
Died
12/17/1957 in Quincy, IL, USA
MLB Debut
1934-04-21
Last Game
1948-09-30

Full name: Frederick Raymond Ostermueller

Career Pitching Statistics

Fritz Ostermueller — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
114 115 390 246 113 11 15 2066.2 2,170 917 105 835 774 3.99 -1171.7

Career ERA 3.99 vs. league average 4.02 across their career seasons — near 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

Fritz Ostermueller — 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

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

Fritz Ostermueller — Batting — Home / Away
SplitGABRHHRRBIAVG
Home1973503289039.254
Away2023992886024.216

Pitching — Home / Away

Fritz Ostermueller — Pitching — Home / Away
SplitGIPHERBBSOERA
Home1941046.011294744123884.08
Away1961020.210404434283953.91

Last 10 Games — Batting

Fritz Ostermueller — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1948-09-30 PITSTLL 100000000
1948-09-24 PITCINL 200000001
1948-09-18 PITBSNL 200000000
1948-09-14 PITBROL 000000010
1948-09-07 PITSTLW 201000100
1948-08-30 PITBSNW 300000000
1948-08-28 PITPHIL 000000000
1948-08-20 PITSTLL 200000100
1948-08-14 PITSTLL 101000000
1948-08-06 PITNY1L 200000001

Last 10 Games — Pitching

Fritz Ostermueller — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1948-09-30 PITSTL L 5.0733300
1948-09-24 PITCIN L 7.0843210
1948-09-18 PITBSN L 8.0921020
1948-09-14 PITBRO L 3.0444111
1948-09-07 PITSTL W 9.0722321
1948-08-30 PITBSN W 9.0911020
1948-08-28 PITPHI L 0.2333300
1948-08-20 PITSTL L 5.1864210
1948-08-14 PITSTL L 3.1655221
1948-08-06 PITNY1 L 7.0976320

Fielding Statistics

Career Fielding Totals by Position

Fritz Ostermueller — Career Fielding Totals by Position
Position G GS PO A E DP
P 390 0 108 373 23 15

Season-by-Season Fielding

Career Games by Position

Position Diamond

Circle size = games played at each position.

Fritz Ostermueller Stats, Bio & Career Records
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%.

Career Spans

Fritz Ostermueller (highlighted) compared to peers across the same era.

  1. 98
    Denny Galehouse
    109-118, 3.97 ERA
  2. 89
    Mike LaCoss
    98-103, 4.02 ERA
  3. 87
    Fred Frankhouse
    106-97, 3.92 ERA
  4. 76
    Jimmy Ring
    118-149, 4.12 ERA
  5. 76
    Sid Hudson
    104-152, 4.28 ERA
  6. 72
    Chuck Stobbs
    107-130, 4.29 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.