Ray Semproch

Pitcher · Career Stats, Bio & Records (1958-1961)

Ray Semproch was a pitcher who played in Major League Baseball from 1958 to 1961 for the Philadelphia Phillies, the Detroit Tigers, and the Los Angeles Angels of Anaheim, a span of 4 seasons. Across 85 career appearances, he went 19-21 with a 4.42 ERA and 156 strikeouts.

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 19–21
ERA 4.42
WHIP 1.44
SO 156
Pitcher PIV -3829.0
Position
Pitcher
Bats / Throws
R / R
Height / Weight
5'11" / 180 lb
Born
1/7/1931 in Cleveland, OH, USA
Died
10/27/2024 in Cleveland, OH, USA
MLB Debut
1958-04-15
Last Game
1961-05-02

Full name: Roman Anthony Semproch

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Career Pitching Statistics

Ray Semproch — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
19 21 85 48 14 2 3 344.0 360 169 39 136 156 4.42 -3829.0

Career ERA 4.42 vs. league average 3.91 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.

Ray Semproch — Season-by-Season Pitching
Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1958 PHI NL 13 11 36 30 12 2 0 204.1 211 89 58 92 3.92 3.86 (-2%) -1249.2
1959 PHI NL 3 10 30 18 2 0 3 111.2 119 67 59 54 5.40 3.90 (-38%) -2050.6
1960 DET AL 3 0 17 0 0 0 0 27.0 29 12 16 9 4.00 3.82 (-5%) -529.1
1961 LAA AL 0 0 2 0 0 0 0 1.0 1 1 3 1 9.00 — 0.0
Career · 4 seasons 19 21 85 48 14 2 3 344.0 360 169 136 156 4.42 — -3,829

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

Ray Semproch — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
85 112 2 13 1 0 0 6 0 2 39 .116 .132 .125 .257 -822

Career AVG .116 vs. league average .257 across their career seasons — 54.8% below league average.

Career OBP .132 vs. league average .325 across their career seasons — 59.6% below league average.

Career SLG .125 vs. league average .394 across their career seasons — 68.2% below league average.

Career OPS .257 vs. league average .719 across their career seasons — 64.3% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Ray Semproch — Season-by-Season Batting
Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1958 PHI NL 36 74 1 7 1 0 0 4 0 1 20 .095 .257 (-63%) .324 (-67%) .394 (-73%) .719 (-70%) -821.6
1959 PHI NL 30 34 1 6 0 0 0 2 0 0 16 .176 — — — — 0.0
1960 DET AL 17 4 0 0 0 0 0 0 0 1 3 .000 — — — — 0.0
1961 LAA AL 2 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
Career · 4 seasons 85 112 2 13 1 0 0 6 0 2 39 .116 — — — — -822

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 (170 games) →

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

Batting — Home / Away

Ray Semproch — Batting — Home / Away
SplitGABRHHRRBIAVG
Home44591906.153
Away41531400.075

Pitching — Home / Away

Ray Semproch — Pitching — Home / Away
SplitGIPHERBBSOERA
Home44195.120010078914.61
Away41148.21606958654.18

Last 10 Games — Batting

Ray Semproch — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1961-05-02 LAABALL 000000000
1961-04-21 LAADETL 000000000
1960-06-18 DETBALW 100000001
1960-06-17 DETBALL 000000000
1960-06-15 DETBOSL 000000000
1960-06-12 DETMINL 000000000
1960-06-11 DETMINL 100000001
1960-06-05 DETCLEL 000000000
1960-06-04 DETCLEW 000000010
1960-06-02 DETCHWW 000000000

Last 10 Games — Pitching

Ray Semproch — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1961-05-02 LAABAL — 0.0111100
1961-04-21 LAADET — 1.0010210
1960-06-18 DETBAL W 4.0200220
1960-06-17 DETBAL — 0.1000000
1960-06-15 DETBOS — 1.1100200
1960-06-12 DETMIN — 1.0232110
1960-06-11 DETMIN — 3.0322300
1960-06-05 DETCLE — 0.1554001
1960-06-04 DETCLE — 1.2300100
1960-06-02 DETCHW W 1.1000100

Fielding Statistics

Career Fielding Totals by Position

Ray Semproch — Career Fielding Totals by Position
Position G GS PO A E DP
P 85 48 19 64 3 5

Season-by-Season Fielding

Ray Semproch — Season-by-Season Fielding
Year Team Pos G GS PO A E DP
1958 PHI P 36 30 13 31 0 0
1959 PHI P 30 18 6 21 1 4
1960 DET P 17 0 0 11 2 1
1961 LAA P 2 0 0 1 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Ray Semproch — Career Games by Position
Position Games
Pitcher 85

Most Similar Players

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

Career Spans

Ray Semproch (highlighted) compared to peers across the same era.

  1. 98
    Ray Poat
    22-30, 4.54 ERA
  2. 93
    Square Moore
    16-28, 4.48 ERA
  3. 87
    Hubert Lockhart
    26-22, 4.33 ERA
  4. 86
    Emery Adams
    28-25, 4.57 ERA
  5. 84
    Joe Presko
    25-37, 4.61 ERA
  6. 79
    Rick Matula
    19-23, 4.41 ERA

Ray Semproch: the record in brief

According to the bio, Ray Semproch debuted on April 15, 1958 and played a final game on May 2, 1961. The team column moves through the Philadelphia Phillies (1958 to 1959), the Detroit Tigers (1960), and the Los Angeles Angels (1961). Semproch, a pitcher by primary position, batted and threw right-handed. The recorded size is 180 pounds on a 5-foot-11 frame. The birth record reads January 7, 1931, in Cleveland, OH, USA. Semproch's death is recorded on October 27, 2024, in Cleveland, OH, USA. On the record, Ray Semproch was born Roman Anthony Semproch.

Semproch's career pitching line is 19 wins, 21 losses and a 4.42 ERA over 85 appearances. Also on Semproch's record: 156 strikeouts and 14 complete games. Against a 3.91 league ERA for the same seasons, the 4.42 mark was 13.2% worse. No season topped the 13 wins of 1958. Among the heaviest workloads, the lowest ERA was 3.92 in 1958, when the league's was 3.86.

Frequently Asked Questions about Ray Semproch

What years did Ray Semproch play?
Ray Semproch played in Major League Baseball from 1958 to 1961.
Was Ray Semproch a pitcher?
Yes. Ray Semproch pitched in the major leagues, recording 19 wins and 156 strikeouts.
How many home runs did Ray Semproch hit?
Ray Semproch hit 0 career home runs with 13 hits.
What teams did Ray Semproch play for?
Ray Semproch played for 3 teams: the Philadelphia Phillies (1958–1959), the Detroit Tigers (1960), and the Los Angeles Angels (1961).
What were Ray Semproch's career stats?
In 85 games, Ray Semproch went 19-21 with a 4.42 ERA, 156 strikeouts, 344.0 innings pitched, and 3 saves.
What position did Ray Semproch play?
Ray Semproch played primarily as a pitcher, the position where he appeared in the most games.
How tall was Ray Semproch and how much did he weigh?
Ray Semproch was listed at 5 feet 11 inches and 180 pounds.
What was Ray Semproch's career ERA?
Ray Semproch finished with a 4.42 career ERA, going 19-21 with 156 strikeouts.
How many strikeouts did Ray Semproch have?
Ray Semproch recorded 156 career strikeouts.
Is Ray Semproch in the Hall of Fame?
No. Ray Semproch has not been inducted into the National Baseball Hall of Fame.