Bert Blyleven vs Tommy John: Career Stats Comparison

Bert Blyleven has the better career line of the two, leading 7 of the 8 scored categories on this page (8 further counting totals are shown but not scored). Bert Blyleven played 1970–1992 as a pitcher; Tommy John played 1963–1989 as a pitcher.

ERA (Earned Run Average):
Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
W (Wins):
Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
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

Bert Blyleven (1970–1992) and Tommy John (1963–1989) — they debuted in the 1970s and the 1960s respectively and share 20 seasons. Bert Blyleven finished with 287 wins and 3,701 strikeouts; Tommy John finished with 288 wins and 2,245 strikeouts. The table below sets out their careers line by line.

Quick answer

  • Who leads the career comparison? Bert Blyleven, in 7 of the 8 scored categories.
  • Who had the better ERA? Bert Blyleven, with 3.31 to Tommy John's 3.34.
  • Who won more games? Tommy John, with 288 to Bert Blyleven's 287.
  • Who recorded more strikeouts? Bert Blyleven, with 3,701 to Tommy John's 2,245.
  • Who had the better WHIP? Bert Blyleven, with 1.20 to Tommy John's 1.28.
  • How many innings did each pitch? Bert Blyleven 4,970.0, Tommy John 4,710.1.
  • Who threw more shutouts? Bert Blyleven, with 60 to Tommy John's 46.
Leads Bert Blyleven 7 of 8 scored categories
Pitcher PIV edge Bert Blyleven +35,107
Read the verdict ↓

Bert Blyleven

Pitcher · 1970–1992
Wins
287
Losses
250
Strikeouts
3,701
ERA
3.31
WHIP
1.20
IP
4,970.0
View Bert Blyleven's full profile →

Tommy John

Pitcher · 1963–1989
Wins
288
Losses
231
Strikeouts
2,245
ERA
3.34
WHIP
1.28
IP
4,710.1
View Tommy John's full profile →

Career Stats Side-by-Side

Every cell below is a career total or career rate. Cells highlighted in green mark the player who leads that line. Lower ERA, WHIP and BB/9 lead; higher K/9 leads. 8 of the 16 lines below are scored; the other 8 are shown but not scored. Games, starts and innings measure playing time, and losses, walks and hits allowed track how long someone pitched, so they are left unmarked, as is any line where both players are at zero. Rate stats are not era-adjusted, so read them against the run environment each player worked in, or use the PIV card below, which is adjusted.

Bert Blyleven vs Tommy John: Career Stats Comparison — Career Stats Side-by-Side
Statistic Bert Blyleven Tommy John
Wins 287 Leads: 288
Losses not scored 250 231
Games not scored 692 760
Games Started not scored 685 700
Complete Games Leads: 242 162
Shutouts Leads: 60 46
Saves not scored 0 4
Strikeouts Leads: 3,701 2,245
Walks not scored 1,322 1,259
Hits Allowed not scored 4,632 4,783
Home Runs Allowed not scored 430 302
Innings Pitched not scored 4,970.0 4,710.1
ERA Leads: 3.31 3.34
WHIP Leads: 1.20 1.28
K/9 Leads: 6.70 4.29
BB/9 Leads: 2.39 2.41

PIV Comparison

By PIV (Player Impact Value), Bert Blyleven outpaces Tommy John 74,910 to 39,802 — driven by per-season impact — 3,405 PIV per season to 1,531 — rather than by longevity, since Bert Blyleven played 22 seasons to Tommy John's 26. PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Bert Blyleven
74,910
Career Pitcher PIV · 3,405 per season (22 seasons)
Tommy John
39,802
Career Pitcher PIV · 1,531 per season (26 seasons)

How PIV is calculated →

Peak Seasons

The best single seasons each player produced, ranked by ERA among qualified workloads (120+ innings).

Bert Blyleven — top 3 seasons by ERA (lower is better)

19732.52 ERA20-17, 258 K in 325 IP
19742.66 ERA17-17, 249 K in 281 IP
19772.72 ERA14-12, 182 K in 234 IP

Tommy John — top 3 seasons by ERA (lower is better)

19681.98 ERA10-5, 117 K in 177 IP
19672.47 ERA10-13, 110 K in 178 IP
19742.59 ERA13-3, 78 K in 153 IP

Verdict

Bert Blyleven leads 7 of the 8 scored categories on the head-to-head card: complete games, shutouts, strikeouts, ERA, and others. Tommy John leads 1: wins. On the raw scoreboard the edge goes to Bert Blyleven. PIV agrees: Bert Blyleven grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.

Related Matchups

How the Bert Blyleven and Tommy John careers compare

Bert Blyleven and Tommy John were active at the same time between 1970 and 1989. With 692 games against 760 across 22 and 26 PIV seasons, neither player's totals owe much to extra seasons. Where Tommy John comes out ahead, it is in wins (288 to 287). By rate, Bert Blyleven struck out 6.70 and walked 2.39 per nine innings; Tommy John struck out 4.29 and walked 2.41. Bert Blyleven was mainly a starter (685 starts in 692 games), and Tommy John was mainly a starter (700 starts in 760 games). In WHIP, Bert Blyleven's 1.20 beats Tommy John's 1.28.

Bert Blyleven vs Tommy John: Frequently Asked Questions

Who was better, Bert Blyleven or Tommy John?
By the career statistics compared on this page, Bert Blyleven leads Tommy John in 7 of the 8 scored categories.
Who had the better ERA?
Bert Blyleven, with 3.31 to Tommy John's 3.34.
Who won more games?
Tommy John, with 288 to Bert Blyleven's 287.
Who recorded more strikeouts?
Bert Blyleven, with 3,701 to Tommy John's 2,245.
Who had the better WHIP?
Bert Blyleven, with 1.20 to Tommy John's 1.28.

See These Players in Another Era