1976 Topps #521 Jim Colborn
About Jim Colborn
Colborn shut out Boston on 7 hits at Fenway Park on July 29, 1975, winning 4-0 with 5 strikeouts. It was his only shutout that season. He finished 11-13 with a 4.27 ERA. He made 36 appearances, 29 of them starts, and pitched 206 1/3 innings. His 1976 Topps #521 listed him with Milwaukee.
Jim Colborn was a right-handed starting pitcher who worked for the Cubs, Brewers, Royals and Mariners between 1969 and 1978, finishing 83-88 with a 3.80 ERA and 688 strikeouts in 1,597 1/3 innings. He graduated from Whittier College with a degree in sociology, then studied for a master's at the University of Edinburgh, where he starred in basketball and baseball and was named all-Scotland. The Cubs signed him as an amateur free agent in 1967. In Milwaukee he became the Brewers' first 20-game winner, going 20-12 in 1973, and made the American League All-Star team that year. Milwaukee then traded him with Darrell Porter to Kansas City, and in 1977 he won 18 games and pitched a no-hitter against the Texas Rangers. Seattle was his last stop. After he retired he coached pitchers under Jim Tracy with the Dodgers from 2000 to 2005 and the Pirates in 2006 and 2007, then became the Texas Rangers bullpen coach in 2008.
Sources: Wikipedia · Baseball-Reference · Baseball Almanac · Retrosheet · BaseballCardPedia
Graded population (PSA & SGC)
| Grader | Total | 10 | 9 | 8 | 7 | 6 | 5 | 1-4 | Auth |
|---|---|---|---|---|---|---|---|---|---|
| PSA | 139 | 11 | 77 | 44 | 4 | 1 | 2 | 0 | 0 |
| SGC | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Graded population — a scarcity guide, not a price. Data as of 2026-10-19. Half grades fold down for both graders (8.5→8); PSA qualified slabs (OC, ST, PD, MC and the like) are not counted.
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Frequently asked questions
What is the 1976 Topps #521 card?
It is card #521 of the 660-card 1976 Topps Baseball set, picturing Jim Colborn of the Milwaukee Brewers.
How many cards are in the 1976 Topps Baseball set?
660 cards, numbered 1 through 660 with none skipped and printed in equal quantities as a single series. No card carries a catalogued print variation, so the base set and the master set are the same 660 cards.
Sources: Trading Card Database, PSA CardFacts, BaseballCardPedia, Cardboard Connection, Baseball Almanac, Baseball-Reference, the SABR BioProject and the National Baseball Hall of Fame, PSA & SGC population reports. Card data compiled and maintained by T206Cards.com. Page last updated 2026-10-25.