Jason Giambi vs Mike Mussina: Career Stats Comparison

Jason Giambi and Mike Mussina played different roles, so their careers are compared side by side rather than scored against each other. Jason Giambi played 1995–2014 as a hitter; Mike Mussina played 1991–2008 as a pitcher.

AVG (Batting Average):
Hits divided by at bats. .300 is the traditional mark of an excellent hitter.
HR (Home Runs):
Hits on which the batter circled the bases and scored, almost always by clearing the outfield fence.
RBI (Runs Batted In):
Runs that scored as a direct result of a batter's plate appearance.
OPS (On-Base Plus Slugging):
On-base percentage plus slugging percentage, the quickest single summary of offensive value. .900 or better is star-level.

Data updated

Jason Giambi (1995–2014) and Mike Mussina (1991–2008) played opposite sides of the ball, so there is no honest category-by-category scoreboard for this matchup. Mike Mussina pitched, totalling 270 wins and 2,813 strikeouts; Jason Giambi hit, totalling 2,010 hits and 440 home runs. Each career is shown below in its own discipline, with PIV as the one measure that spans both roles.

Quick answer

  • Who has the higher career PIV? Mike Mussina, with 76,572 career PIV to Jason Giambi's 37,008.

Jason Giambi

Hitter · 1995–2014
Games
2,260
Hits
2,010
Home Runs
440
RBI
1,441
Avg
.277
OPS
.916
View Jason Giambi's full profile →

Mike Mussina

Pitcher · 1991–2008
Wins
270
Losses
153
Strikeouts
2,813
ERA
3.68
WHIP
1.19
IP
3,562.2
View Mike Mussina's full profile →

Career Stats, Each in His Own Role

Mike Mussina is shown on pitching lines and Jason Giambi on batting lines. Nothing is marked as a category winner, because these two cards measure different jobs — reading them cell against cell would tell you nothing.

Jason Giambi — Hitter

Jason Giambi vs Mike Mussina: Career Stats Comparison — Jason Giambi — Hitter
Statistic Jason Giambi
Games 2,260
At-Bats 7,267
Runs 1,227
Hits 2,010
Doubles 405
Triples 9
Home Runs 440
RBI 1,441
Walks 1,366
Strikeouts 1,572
Stolen Bases 20
Batting Avg .277
On-Base % .399
Slugging % .516
OPS .916

Mike Mussina — Pitcher

Jason Giambi vs Mike Mussina: Career Stats Comparison — Mike Mussina — Pitcher
Statistic Mike Mussina
Wins 270
Losses 153
Games 537
Games Started 536
Complete Games 57
Shutouts 23
Saves 0
Strikeouts 2,813
Walks 785
Hits Allowed 3,460
Home Runs Allowed 376
Innings Pitched 3,562.2
ERA 3.68
WHIP 1.19
K/9 7.11
BB/9 1.98

PIV Comparison through 2025

Jason Giambi carries a career batting PIV of 37,008; Mike Mussina carries a career pitching PIV of 76,572. Mike Mussina is the higher of the two at 76,572 to 37,008. Both figures adjust each season to league baselines, but batting PIV and pitching PIV are calibrated separately — so read this as a directional comparison of career impact, not a settled verdict.

PIV is computed through the 2025 season. The career totals on this page include 2026 to date, so PIV does not yet reflect the 2026 season.

Jason Giambi
37,008
Career PIV · 1,762 per season (21 seasons)
Mike Mussina
76,572
Career Pitcher PIV · 4,254 per season (18 seasons)

How PIV is calculated →

Peak Seasons

The best single seasons each player produced, ranked within his own role — ERA for the pitcher (120+ innings), OPS for the hitter (300+ at-bats).

Jason Giambi — top 3 seasons by OPS

20011.137 OPS38 HR, 120 RBI, .342 avg
20001.123 OPS43 HR, 137 RBI, .333 avg
20021.034 OPS41 HR, 122 RBI, .314 avg

Mike Mussina — top 3 seasons by ERA (lower is better)

19922.54 ERA18-5, 130 K in 241 IP
19943.06 ERA16-5, 99 K in 176 IP
20013.15 ERA17-11, 214 K in 228 IP

Verdict

There is no head-to-head scoreboard for Mike Mussina and Jason Giambi: one pitched and one hit, and no counting stat means the same thing on both cards. On PIV — the one metric that scores both roles against league baselines — Mike Mussina grades higher, 76,572 to 37,008. Because the batting and pitching versions of PIV are calibrated separately, that gap is a directional signal about career impact rather than a ruling on who was the better ballplayer. Click through to each profile for the full season-by-season breakdown.

Related Matchups

How the Jason Giambi and Mike Mussina careers compare

The careers of Jason Giambi (1995–2014) and Mike Mussina (1991–2008) overlapped from 1995 to 2008, so for those seasons they faced the same league conditions. As a hitter, Jason Giambi collected 2,010 hits and 440 home runs with a .916 OPS. Mike Mussina's pitching card shows 270 wins, a 3.68 ERA and 2,813 strikeouts. Because one is a pitcher and the other a hitter, the page keeps their statistics in separate tables and uses PIV as the shared yardstick. Their best seasons are measured differently, 1.137 OPS in 2001 for Jason Giambi and 2.54 ERA in 1992 for Mike Mussina.

Jason Giambi vs Mike Mussina: Frequently Asked Questions

Who has the higher career PIV?
Mike Mussina, with 76,572 career PIV to Jason Giambi's 37,008.
How do Jason Giambi and Mike Mussina compare?
Jason Giambi played 1995–2014 and Mike Mussina played 1991–2008; this page sets their career totals side by side in every category both accumulated.

See These Players in Another Era