Brad Hennessey

Pitcher · Career Stats, Bio & Records (2004-2008)

Brad Hennessey was a pitcher who played in Major League Baseball from 2004 to 2008 for the San Francisco Giants, a span of 5 seasons. Across 148 career appearances, he went 17-23 with a 4.69 ERA, 192 strikeouts, and 20 saves.

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 17–23
ERA 4.69
WHIP 1.49
SO 192
Pitcher PIV -5359.3
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'2" / 195 lb
Born
2/7/1980 in Toledo, OH, USA
MLB Debut
2004-08-07
Last Game
2008-09-26

Full name: Brad Martin Hennessey

Career Pitching Statistics

Brad Hennessey — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
17 23 148 44 1 0 20 360.7 390 188 44 147 192 4.69 -5359.3

Career ERA 4.69 vs. league average 4.42 across their career seasons — 6.2% 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

Brad Hennessey — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
151 88 6 20 3 0 2 8 1 1 27 .227 .233 .330 .563 0

Career AVG .227 vs. league average .266 across their career seasons — 14.7% below league average.

Career OBP .233 vs. league average .334 across their career seasons — 30.2% below league average.

Career SLG .330 vs. league average .424 across their career seasons — 22.2% below league average.

Career OPS .563 vs. league average .758 across their career seasons — 25.7% 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

Brad Hennessey — Batting — Home / Away
SplitGABRHHRRBIAVG
Home80301802.267
Away715851226.207

Pitching — Home / Away

Brad Hennessey — Pitching — Home / Away
SplitGIPHERBBSOERA
Home79166.01979760975.26
Away69194.21939187954.21

Last 10 Games — Batting

Brad Hennessey — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
2008-09-26 SFGLADW 100000001
2008-09-21 SFGLADW 010000000
2008-09-20 SFGLADL 100000000
2008-09-15 SFGAZL 200000001
2008-09-10 SFGAZW 201100000
2008-09-07 SFGPITW 000000000
2008-09-03 SFGCOLW 000000000
2008-05-06 SFGPITL 100000000
2008-04-26 SFGCINL 101000100
2008-04-21 SFGAZL 000000000

Last 10 Games — Pitching

Brad Hennessey — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
2008-09-26 SFGLAD 6.0622221
2008-09-20 SFGLAD 3.0555222
2008-09-15 SFGAZ L 8.0833022
2008-09-10 SFGAZ 6.0411331
2008-09-07 SFGPIT 0.1211100
2008-09-03 SFGCOL 1.0000000
2008-05-06 SFGPIT 2.1755221
2008-04-26 SFGCIN L 3.0633030
2008-04-21 SFGAZ 1.0100000
2008-04-18 SFGSTL 2.0322100

Fielding Statistics

Career Fielding Totals by Position

Brad Hennessey — Career Fielding Totals by Position
Position G GS PO A E DP
P 148 44 34 46 1 3

Season-by-Season Fielding

Career Games by Position

Position Diamond

Circle size = games played at each position.

Brad Hennessey — Career Games by Position
Position Games
Pitcher 148

Salary History

Brad Hennessey — Salary History
Year Team League Salary
2008 SFN NL $1,600,000
2007 SFN NL $400,000
Total Career Earnings $2,000,000

College History

Brad Hennessey — College History
School Name City State Years Attended
Youngstown State University Youngstown OH 1998, 1999, 2000, 2001

Most Similar Players

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

Career Spans

Brad Hennessey (highlighted) compared to peers across the same era.

  1. 98
    Chris Peters
    19-25, 4.81 ERA
  2. 89
    Pete Walker
    20-14, 4.48 ERA
  3. 89
    Jason Davis
    22-26, 4.82 ERA
  4. 86
    John Montague
    24-26, 4.76 ERA
  5. 85
    Chris Brock
    18-17, 4.81 ERA
  6. 82
    Pete Burnside
    19-36, 4.81 ERA

Frequently Asked Questions about Brad Hennessey

What years did Brad Hennessey play?
Brad Hennessey played in Major League Baseball from 2004 to 2008.
Was Brad Hennessey a pitcher?
Yes. Brad Hennessey pitched in the major leagues, recording 17 wins and 192 strikeouts.
How many home runs did Brad Hennessey hit?
Brad Hennessey hit 2 career home runs with 20 hits.
What was Brad Hennessey's career batting average?
Brad Hennessey batted .227 over his career, with 20 hits in 88 at bats.
How many RBI did Brad Hennessey have?
Brad Hennessey drove in 8 runs in his career.
What was Brad Hennessey's career ERA?
Brad Hennessey finished with a 4.69 career ERA, going 17-23 with 192 strikeouts.