Roger Clemens vs Mo Vaughn: Career Stats Comparison

Roger Clemens and Mo Vaughn played different roles, so their careers are compared side by side rather than scored against each other. Roger Clemens played 1984–2007 as a pitcher; Mo Vaughn played 1991–2003 as a hitter.

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

Roger Clemens (1984–2007) and Mo Vaughn (1991–2003) played opposite sides of the ball, so there is no honest category-by-category scoreboard for this matchup. Roger Clemens pitched, totalling 354 wins and 4,672 strikeouts; Mo Vaughn hit, totalling 1,620 hits and 328 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? Roger Clemens, with 146,187 career PIV to Mo Vaughn's 24,784.
  • Who won more championships? Roger Clemens, with 2 World Series titles to Mo Vaughn's 0.

Roger Clemens

Pitcher · 1984–2007
Wins
354
Losses
184
Strikeouts
4,672
ERA
3.12
WHIP
1.17
IP
4,916.2
View Roger Clemens's full profile →

Mo Vaughn

Hitter · 1991–2003
Games
1,512
Hits
1,620
Home Runs
328
RBI
1,064
Avg
.293
OPS
.906
View Mo Vaughn's full profile →

Career Stats, Each in His Own Role

Roger Clemens is shown on pitching lines and Mo Vaughn 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.

Roger Clemens — Pitcher

Roger Clemens vs Mo Vaughn: Career Stats Comparison — Roger Clemens — Pitcher
Statistic Roger Clemens
Wins 354
Losses 184
Games 709
Games Started 707
Complete Games 118
Shutouts 46
Saves 0
Strikeouts 4,672
Walks 1,580
Hits Allowed 4,185
Home Runs Allowed 363
Innings Pitched 4,916.2
ERA 3.12
WHIP 1.17
K/9 8.55
BB/9 2.89

Mo Vaughn — Hitter

Roger Clemens vs Mo Vaughn: Career Stats Comparison — Mo Vaughn — Hitter
Statistic Mo Vaughn
Games 1,512
At-Bats 5,532
Runs 861
Hits 1,620
Doubles 270
Triples 10
Home Runs 328
RBI 1,064
Walks 725
Strikeouts 1,429
Stolen Bases 30
Batting Avg .293
On-Base % .383
Slugging % .523
OPS .906

PIV Comparison through 2025

Roger Clemens carries a career pitching PIV of 146,187; Mo Vaughn carries a career batting PIV of 24,784. Roger Clemens is the higher of the two at 146,187 to 24,784. 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.

Roger Clemens
146,187
Career Pitcher PIV · 6,091 per season (24 seasons)
Mo Vaughn
24,784
Career PIV · 2,065 per season (12 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).

Roger Clemens — top 3 seasons by ERA (lower is better)

20051.87 ERA13-8, 185 K in 211 IP
19901.93 ERA21-6, 209 K in 228 IP
19972.05 ERA21-7, 292 K in 264 IP

Mo Vaughn — top 3 seasons by OPS

19961.003 OPS44 HR, 143 RBI, .326 avg
1998.993 OPS40 HR, 115 RBI, .337 avg
1994.984 OPS26 HR, 82 RBI, .310 avg

Verdict

There is no head-to-head scoreboard for Roger Clemens and Mo Vaughn: 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 — Roger Clemens grades higher, 146,187 to 24,784. 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 Roger Clemens and Mo Vaughn careers compare

The careers of Roger Clemens (1984–2007) and Mo Vaughn (1991–2003) overlapped from 1991 to 2003, so for those seasons they faced the same league conditions. Roger Clemens's pitching card shows 354 wins, a 3.12 ERA and 4,672 strikeouts. Mo Vaughn's batting card reads 1,620 hits, 328 home runs and a .293 average. 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, 1.87 ERA in 2005 for Roger Clemens and 1.003 OPS in 1996 for Mo Vaughn.

Roger Clemens vs Mo Vaughn: Frequently Asked Questions

Who has the higher career PIV?
Roger Clemens, with 146,187 career PIV to Mo Vaughn's 24,784.
Who won more championships?
Roger Clemens, with 2 World Series titles to Mo Vaughn's 0.
How do Roger Clemens and Mo Vaughn compare?
Roger Clemens played 1984–2007 and Mo Vaughn played 1991–2003; this page sets their career totals side by side in every category both accumulated.

See These Players in Another Era