Jim Lonborg

Pitcher · Career Stats, Bio & Records (1965-1979)

Jim Lonborg was a pitcher who played in Major League Baseball from 1965 to 1979 for the Boston Red Sox, the Milwaukee Brewers, and the Philadelphia Phillies, a span of 15 seasons. Across 425 career appearances, he went 157-137 with a 3.86 ERA and 1,475 strikeouts. He also batted .136 with 3 home runs. Jim Lonborg was an All-Star and a Cy Young.

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 157–137
ERA 3.86
WHIP 1.31
SO 1,475
Pitcher PIV -9595.6
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'5" / 200 lb
Born
4/16/1942 in Santa Maria, CA, USA
MLB Debut
1965-04-23
Last Game
1979-06-10
Awards
All-Star · Cy Young

Full name: James Reynold Lonborg

Career Pitching Statistics

Jim Lonborg — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
157 137 425 368 90 15 4 2464.1 2,400 1,056 233 823 1,475 3.86 -9595.6

Career ERA 3.86 vs. league average 3.61 across their career seasons — 7.0% worse than 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

Jim Lonborg — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
426 770 41 105 17 2 3 43 1 51 330 .136 .191 .175 .366 -5,089

Career AVG .136 vs. league average .253 across their career seasons — 46.1% below league average.

Career OBP .191 vs. league average .319 across their career seasons — 40.3% below league average.

Career SLG .175 vs. league average .373 across their career seasons — 53.0% below league average.

Career OPS .366 vs. league average .692 across their career seasons — 47.2% below league average.

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.

Postseason Statistics

Playoff Career Batting

Jim Lonborg — Playoff Career Batting
G AB R H 2B 3B HR RBI BB SO AVG
5 11 0 0 0 0 0 0 0 8 .000

Playoff Batting by Year

Jim Lonborg — Playoff Batting by Year
Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
1977 NLCS PHI 1 1 0 0 0 0 0 0 0 1 .000
1976 NLCS PHI 1 1 0 0 0 0 0 0 0 0 .000
1967 WS BOS 3 9 0 0 0 0 0 0 0 7 .000

Playoff Career Pitching

Jim Lonborg — Playoff Career Pitching
W L G GS SV IP H ER BB SO ERA
2 3 5 5 0 33.1 21 13 5 14 3.51

Playoff Pitching by Year

Jim Lonborg — Playoff Pitching by Year
Year Round Team W L G GS SV IP H ER BB SO ERA
1977 NLCS PHI 0 1 1 1 0 4.0 5 5 1 1 11.25
1976 NLCS PHI 0 1 1 1 0 5.1 2 1 2 2 1.69
1967 WS BOS 2 1 3 3 0 24.0 14 7 2 11 2.62

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Jim Lonborg — Batting — Home / Away
SplitGABRHHRRBIAVG
Home2103692556117.152
Away2164011649226.122

Pitching — Home / Away

Jim Lonborg — Pitching — Home / Away
SplitGIPHERBBSOERA
Home2101259.112565604137914.00
Away2151205.011444964106843.70

Last 10 Games — Batting

Jim Lonborg — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1979-06-10 PHIATLL 000000000
1979-06-03 PHICINL 100000001
1979-05-29 PHIWSNL 000000000
1979-05-19 PHIWSNL 000000000
1978-09-10 PHISTLL 100000000
1978-09-04 PHISTLW 200000000
1978-08-08 PHISTLL 000000000
1978-07-29 PHICINL 000000000
1978-07-24 PHIATLL 100000000
1978-07-18 PHIHOUL 100000001

Last 10 Games — Pitching

Jim Lonborg — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1979-06-10 PHIATL — 3.0533121
1979-06-03 PHICIN L 2.1765122
1979-05-29 PHIWSN — 1.0100010
1979-05-19 PHIWSN — 1.0111220
1978-09-10 PHISTL — 2.0644131
1978-09-04 PHISTL W 5.1522211
1978-08-08 PHISTL L 2.0454310
1978-07-29 PHICIN L 1.1655002
1978-07-24 PHIATL L 4.1855321
1978-07-18 PHIHOU L 4.01055200

Fielding Statistics

Career Fielding Totals by Position

Jim Lonborg — Career Fielding Totals by Position
Position G GS PO A E DP
P 425 368 189 268 22 18

Season-by-Season Fielding

Career Games by Position

Position Diamond

Circle size = games played at each position.

Jim Lonborg Stats, Bio & Career Records
Position Games
Pitcher 425

Awards & Honors

Jim Lonborg — Awards & Honors
Year Award Notes
1967 Cy Young Award
1967 TSN All-Star P
1967 TSN Pitcher of the Year

College History

Jim Lonborg — College History
School Name City State Years Attended
Stanford University Palo Alto CA 1962, 1963

Award Voting History

Jim Lonborg — Award Voting History
Year Award League Finish Points Won Points Max Votes First
1967 Cy Young Award AL 1st 18.0 20 18
1967 Most Valuable Player AL 6th 82.0 280 0

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Career Spans

Jim Lonborg (highlighted) compared to peers across the same era.

  1. 98
    Rick Rhoden
    151-125, 3.59 ERA
  2. 96
    Tim Belcher
    146-140, 4.16 ERA
  3. 94
    Bob Knepper
    146-155, 3.68 ERA
  4. 94
    Mike Flanagan
    167-143, 3.90 ERA
  5. 90
    Mark Gubicza
    132-136, 3.96 ERA
  6. 90
    Tom Candiotti
    151-164, 3.73 ERA

Jim Lonborg: the record in brief

According to the bio, Jim Lonborg debuted on April 23, 1965 and played a final game on June 10, 1979. Club by club, the record runs the Boston Red Sox (1965 to 1971), the Milwaukee Brewers (1972), and the Philadelphia Phillies (1973 through 1979). At 6'5" and 200 pounds, Lonborg is listed as a pitcher. Lonborg batted and threw right-handed, per the bio block. Lonborg was born on April 16, 1942, in Santa Maria, CA, USA. Jim Lonborg was the playing name; the full given name is James Reynold.

Lonborg pitched in 425 games, starting 368, and finished with a 157-137 record and 3.86 ERA. Lonborg had 1,475 strikeouts, 90 complete games, and 15 shutouts. The league ERA over Lonborg's seasons was 3.61, so the 3.86 figure ran 7.0% worse than average. The best win total was 22, in 1967. Among the heaviest workloads, the lowest ERA was 2.83 in 1972, when the league's was 3.26.

Frequently Asked Questions about Jim Lonborg

What years did Jim Lonborg play?
Jim Lonborg played in Major League Baseball from 1965 to 1979.
Was Jim Lonborg a pitcher?
Yes. Jim Lonborg pitched in the major leagues, recording 157 wins and 1475 strikeouts.
How many home runs did Jim Lonborg hit?
Jim Lonborg hit 3 career home runs with 105 hits.
What teams did Jim Lonborg play for?
Jim Lonborg played for 3 teams: the Boston Red Sox (1965–1971), the Milwaukee Brewers (1972), and the Philadelphia Phillies (1973–1979).
How many Cy Young Awards did Jim Lonborg win?
Jim Lonborg won 1 Cy Young Award, in 1967.
What awards did Jim Lonborg win?
Jim Lonborg won the Cy Young Award (1967). He was selected to 1 All-Star Game.
What were Jim Lonborg's career stats?
In 425 games, Jim Lonborg went 157-137 with a 3.86 ERA, 1,475 strikeouts, 2,464.1 innings pitched, and 4 saves. At the plate he had 105 hits and 3 home runs.
What position did Jim Lonborg play?
Jim Lonborg played primarily as a pitcher, the position where he appeared in the most games.
How tall was Jim Lonborg and how much did he weigh?
Jim Lonborg was listed at 6 feet 5 inches and 200 pounds.
What was Jim Lonborg's career ERA?
Jim Lonborg finished with a 3.86 career ERA, going 157-137 with 1,475 strikeouts.
How many strikeouts did Jim Lonborg have?
Jim Lonborg recorded 1,475 career strikeouts.
Is Jim Lonborg in the Hall of Fame?
No. Jim Lonborg has not been inducted into the National Baseball Hall of Fame.
How many All-Star Games did Jim Lonborg make?
Jim Lonborg was selected to 1 All-Star Game.