Mark Dempsey

Pitcher · Career Stats, Bio & Records (1982)

Mark Dempsey was a pitcher who played in Major League Baseball in 1982 for the San Francisco Giants. Across 3 career appearances, he went 0-0 with a 7.94 ERA and 4 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 0–0
ERA 7.94
WHIP 2.29
SO 4
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'6" / 220 lb
Born
12/17/1957 in Dayton, OH, USA
MLB Debut
1982-09-04
Last Game
1982-10-02

Full name: Mark Steven Dempsey

Career Pitching Statistics

Mark Dempsey — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
0 0 3 1 0 0 0 5.2 11 5 1 2 4 7.94 0.0

Career ERA 7.94 vs. league average 3.86 across their career seasons — 105.6% worse than 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

Mark Dempsey — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
3 1 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 0

Career AVG .000 vs. league average .261 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .324 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .389 across their career seasons — 100.0% below league average.

Career OPS .000 vs. league average .713 across their career seasons — 100.0% 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.

Game Log & Splits

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

Batting — Home / Away

Mark Dempsey — Batting — Home / Away
SplitGABRHHRRBIAVG
Home310000.000

Pitching — Home / Away

Mark Dempsey — Pitching — Home / Away
SplitGIPHERBBSOERA
Home35.2115247.94

Last 3 Games — Batting

Mark Dempsey — Last 3 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1982-10-02 SFGLADL 000000000
1982-09-27 SFGATLL 000000000
1982-09-04 SFGSTLW 100000000

Last 3 Games — Pitching

Mark Dempsey — Last 3 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1982-10-02 SFGLAD — 2.0522000
1982-09-27 SFGATL — 1.0000020
1982-09-04 SFGSTL — 2.2633221

Fielding Statistics

Career Fielding Totals by Position

Mark Dempsey — Career Fielding Totals by Position
Position G GS PO A E DP
P 3 1 0 1 0 0

Season-by-Season Fielding

Career Games by Position

Position Diamond

Circle size = games played at each position.

Mark Dempsey — Career Games by Position
Position Games
Pitcher 3

College History

Mark Dempsey — College History
School Name City State Years Attended
The Ohio State University Columbus OH 1977, 1978, 1979, 1980

Mark Dempsey: the record in brief

According to the bio, Mark Dempsey debuted on September 4, 1982 and played a final game on October 2, 1982. All of the seasons listed were played for the San Francisco Giants. Dempsey is listed as a pitcher at 6-foot-6 and 220 pounds. The bio says Dempsey both batted and threw right-handed. The recorded birth is December 17, 1957, in Dayton, OH, USA. On the record, Mark Dempsey was born Mark Steven Dempsey.

Across 3 games (1 starts), Dempsey recorded 0 wins against 0 losses with a 7.94 ERA. Dempsey had 4 strikeouts. The league ERA over Dempsey's seasons was 3.86, so the 7.94 figure ran 105.6% worse than average. All of that pitching came in 1982, with 3 games and 4 strikeouts.

Before the majors, Dempsey played college baseball at The Ohio State University (1977, 1978, 1979, and 1980).

The position breakdown shows 3 games, all at pitcher.

Frequently Asked Questions about Mark Dempsey

Was Mark Dempsey a pitcher?
Yes. Mark Dempsey pitched in the major leagues, recording 0 wins and 4 strikeouts.
How many home runs did Mark Dempsey hit?
Mark Dempsey hit 0 career home runs.
What teams did Mark Dempsey play for?
Mark Dempsey played for one team, the San Francisco Giants (1982).
What were Mark Dempsey's career stats?
In 3 games, Mark Dempsey went 0-0 with a 7.94 ERA, 4 strikeouts, and 5.2 innings pitched.
What position did Mark Dempsey play?
Mark Dempsey played primarily as a pitcher, the position where he appeared in the most games.
How tall was Mark Dempsey and how much did he weigh?
Mark Dempsey was listed at 6 feet 6 inches and 220 pounds.
What was Mark Dempsey's career ERA?
Mark Dempsey finished with a 7.94 career ERA, going 0-0 with 4 strikeouts.
How many strikeouts did Mark Dempsey have?
Mark Dempsey recorded 4 career strikeouts.
Is Mark Dempsey in the Hall of Fame?
No. Mark Dempsey has not been inducted into the National Baseball Hall of Fame.