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Checklists › 1970 Topps Baseball › #519 Don McMahon

1970 Topps #519 Don McMahon

San Francisco Giants · Pitcher · National League · Base set · Series 5 · Card #519 of 720
Position shown is where he played most in 1969, from that season's fielding records - not read off the card.
1970 Topps #519 Don McMahon, San Francisco Giants
1970 Topps #519 Don McMahon card back
The back of #519 Don McMahon.

About Don McMahon

Detroit traded McMahon to San Francisco on August 8, 1969, for Cesar Gutierrez, with McMahon 3-5 and 11 saves. Card #519 is a fifth-series issue that shows him with the Giants, for whom he pitched 13 games that year. At 40 in 1970 he appeared in 61 games and set a career high with 19 saves. He went 9-5 with a 2.96 ERA and struck out 74 batters.

Donald John McMahon was a right-handed relief pitcher from Brooklyn, New York, signed by the Boston Braves as an amateur free agent in 1950 and converted from third base to the mound in their farm system. He reached the majors on June 30, 1957, at age 27, after roughly five and a half years in the minors and two years in the Army, and he believed he was the first pitcher ever called up strictly as a reliever. Used almost entirely out of the bullpen, he appeared in 874 games, two of them as a starter, and struck out 1,003 batters. He finished 90-68 with a 2.96 ERA and 153 saves. He was a 1958 National League All-Star selection and won World Series rings with the 1957 Braves and the 1968 Tigers, also pitching for the Colt .45's, Indians, Red Sox, White Sox and Giants. Sold or traded repeatedly in the 1960s, he tended to pitch well in his first season with a new club. He never spent a day on the disabled list, and he threw his last big league pitch in 1974 at age 44 while serving as the Giants pitching coach.

Sources: Wikipedia · SABR BioProject · Baseball-Reference · Baseball Almanac (1) · Baseball Almanac (2) · BaseballCardPedia

Graded population (PSA & SGC)

GraderTotal10987651-4Auth
PSA15343188225300
SGC401210000

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 1970 Topps #519 card?

It is card #519 of the 720-card 1970 Topps Baseball set, picturing Don McMahon of the San Francisco Giants.

How many cards are in the 1970 Topps Baseball set?

720 cards, tracked as 726 collectible states. Numbers run from 1 to 720 with none skipped, issued in seven series - #1-132, #133-263, #264-372, #373-459, #460-546, #547-633 and the high numbers, #634-720; 6 cards, all of them checklists, carry catalogued print variations that the master set counts separately.

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.