Bert Blyleven vs Jon Matlack: 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; Jon Matlack played 1971–1983 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 Jon Matlack (1971–1983) — both debuted in the 1970s. Bert Blyleven finished with 287 wins and 3,701 strikeouts; Jon Matlack finished with 125 wins and 1,516 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? Jon Matlack, with 3.18 to Bert Blyleven's 3.31.
  • Who won more games? Bert Blyleven, with 287 to Jon Matlack's 125.
  • Who recorded more strikeouts? Bert Blyleven, with 3,701 to Jon Matlack's 1,516.
  • Who had the better WHIP? Bert Blyleven, with 1.20 to Jon Matlack's 1.23.
  • How many innings did each pitch? Bert Blyleven 4,970.0, Jon Matlack 2,363.0.
  • Who threw more shutouts? Bert Blyleven, with 60 to Jon Matlack's 30.
Leads Bert Blyleven 7 of 8 scored categories
Pitcher PIV edge Bert Blyleven +36,099
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 →

Jon Matlack

Pitcher · 1971–1983
Wins
125
Losses
126
Strikeouts
1,516
ERA
3.18
WHIP
1.23
IP
2,363.0
View Jon Matlack'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 Jon Matlack: Career Stats Comparison — Career Stats Side-by-Side
Statistic Bert Blyleven Jon Matlack
Wins Leads: 287 125
Losses not scored 250 126
Games not scored 692 361
Games Started not scored 685 318
Complete Games Leads: 242 97
Shutouts Leads: 60 30
Saves not scored 0 3
Strikeouts Leads: 3,701 1,516
Walks not scored 1,322 638
Hits Allowed not scored 4,632 2,276
Home Runs Allowed not scored 430 161
Innings Pitched not scored 4,970.0 2,363.0
ERA 3.31 Leads: 3.18
WHIP Leads: 1.20 1.23
K/9 Leads: 6.70 5.77
BB/9 Leads: 2.39 2.43

PIV Comparison

By PIV (Player Impact Value), Bert Blyleven outpaces Jon Matlack 74,910 to 38,811 — driven by both sides of the ledger: 3,405 PIV per season to 2,985, across 22 seasons to 13. 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)
Jon Matlack
38,811
Career Pitcher PIV · 2,985 per season (13 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

Jon Matlack — top 3 seasons by ERA (lower is better)

19782.27 ERA15-13, 157 K in 270 IP
19722.32 ERA15-10, 169 K in 244 IP
19742.41 ERA13-15, 195 K in 265 IP

Verdict

Bert Blyleven leads 7 of the 8 scored categories on the head-to-head card: wins, complete games, shutouts, strikeouts, and others. Jon Matlack leads 1: ERA. 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 Jon Matlack careers compare

Bert Blyleven and Jon Matlack were active at the same time between 1971 and 1983. The table compares 692 games of Bert Blyleven with 361 of Jon Matlack across 22 and 13 PIV seasons; totals favor the longer career by default. The green cells for Jon Matlack are ERA (3.18 to 3.31). By rate, Bert Blyleven struck out 6.70 and walked 2.39 per nine innings; Jon Matlack struck out 5.77 and walked 2.43. Both had the same role: Bert Blyleven was mainly a starter (685 starts in 692 games); Jon Matlack was mainly a starter (318 starts in 361 games). In WHIP, Bert Blyleven's 1.20 beats Jon Matlack's 1.23.

Bert Blyleven vs Jon Matlack: Frequently Asked Questions

Who was better, Bert Blyleven or Jon Matlack?
By the career statistics compared on this page, Bert Blyleven leads Jon Matlack in 7 of the 8 scored categories.
Who had the better ERA?
Jon Matlack, with 3.18 to Bert Blyleven's 3.31.
Who won more games?
Bert Blyleven, with 287 to Jon Matlack's 125.
Who recorded more strikeouts?
Bert Blyleven, with 3,701 to Jon Matlack's 1,516.
Who had the better WHIP?
Bert Blyleven, with 1.20 to Jon Matlack's 1.23.

See These Players in Another Era