Greg Thayer

Pitcher · Career Stats, Bio & Records (1978)

Greg Thayer was a pitcher who played in Major League Baseball in 1978 for the Minnesota Twins. Across 20 career appearances, he went 1-1 with a 3.80 ERA and 30 strikeouts.

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 1–1
ERA 3.80
WHIP 1.56
SO 30
Pitcher PIV -1360.1
Position
Pitcher
Bats / Throws
R / R
Height / Weight
5'11" / 182 lb
Born
10/23/1949 in Cedar Rapids, IA, USA
Died
12/12/2025 in St. Cloud, MN, USA
MLB Debut
1978-04-07
Last Game
1978-06-26

Full name: Gregory Allen Thayer

Career Pitching Statistics

Greg Thayer — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
1 1 20 0 0 0 0 45.0 40 19 5 30 30 3.80 -1360.1

Career ERA 3.80 vs. league average 3.69 across their career seasons — near 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

Greg Thayer — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
20 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 0

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

Greg Thayer — Batting — Home / Away
SplitGABRHHRRBIAVG
Home800000—
Away1200000—

Pitching — Home / Away

Greg Thayer — Pitching — Home / Away
SplitGIPHERBBSOERA
Home815.06414102.40
Away1230.0341516204.50

Last 10 Games — Pitching

Greg Thayer — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1978-06-26 MINMIL — 0.2122201
1978-06-24 MINCHW — 2.0300010
1978-06-21 MINLAA — 1.0000110
1978-06-20 MINLAA — 2.1000210
1978-06-09 MINCLE — 2.2511010
1978-05-29 MINTEX — 3.2522220
1978-05-25 MINTEX — 0.1111200
1978-05-20 MINKCR — 1.1422100
1978-05-15 MINBAL — 3.0122341
1978-05-14 MINBOS — 4.0211420

Fielding Statistics

Career Fielding Totals by Position

Greg Thayer — Career Fielding Totals by Position
Position G GS PO A E DP
P 20 0 0 7 0 0

Season-by-Season Fielding

Career Games by Position

Position Diamond

Circle size = games played at each position.

Greg Thayer — Career Games by Position
Position Games
Pitcher 20

College History

Greg Thayer — College History
School Name City State Years Attended
St.Cloud State University St. Cloud MN 1968, 1969, 1970, 1971

Greg Thayer: the record in brief

Between the debut on April 7, 1978 and the final game on June 26, 1978, Greg Thayer built the record summarized on this page. All of the seasons listed were played for the Minnesota Twins. The bio lists Thayer as a pitcher who both batted and threw right-handed. Thayer is listed at 182 pounds on a 5-foot-11 frame. The birth record reads October 23, 1949, in Cedar Rapids, IA, USA. The bio records the death on December 12, 2025, in St. Cloud, MN, USA. Greg Thayer was the playing name; the full given name is Gregory Allen.

Across 20 games (0 starts), Thayer recorded 1 win against 1 loss with a 3.80 ERA. Also on Thayer's record: 30 strikeouts. Thayer's 3.80 ERA was close to the 3.69 league figure for those seasons. Thayer's only pitching season is 1978: 20 games, 30 strikeouts.

Thayer's college years, 1968, 1969, 1970, and 1971, were spent at St.Cloud State University. Retrosheet box scores cover 40 of Thayer's games, and the full game log is linked from the splits section.

Thayer appears at one position only: pitcher, in 20 games. The fielding table credits Thayer with 0 putouts, 7 assists and 0 errors on the mound.

Frequently Asked Questions about Greg Thayer

Was Greg Thayer a pitcher?
Yes. Greg Thayer pitched in the major leagues, recording 1 wins and 30 strikeouts.
What was Greg Thayer's career ERA?
Greg Thayer finished with a 3.80 career ERA, going 1-1 with 30 strikeouts.
How many strikeouts did Greg Thayer have?
Greg Thayer recorded 30 career strikeouts.
Is Greg Thayer in the Hall of Fame?
No. Greg Thayer has not been inducted into the National Baseball Hall of Fame.
What teams did Greg Thayer play for?
Greg Thayer played for the Minnesota Twins.