1970 Topps #538 Bob Humphreys
About Bob Humphreys
Card #538 in the fifth series of 1970 Topps lists Bob Humphreys with Washington. Before the 1970 season he re-injured his right elbow showing a breaking ball to the University of Maryland pitchers, and he then tore a muscle in his right shoulder in spring training, which sent him to Denver. After he returned, he pitched 6 2/3 innings in five games with a 1.35 ERA before the Senators released him on June 13.
Bob Humphreys was a right-handed relief pitcher who spent parts of nine major league seasons, 1962 to 1970, with the Tigers, Cardinals, Cubs, Senators and Brewers. A Hampden-Sydney College graduate born in Covington, Virginia, he broke into pro ball in 1958 and reached Detroit in 1962. With the 1964 St. Louis Cardinals, a midseason call-up from Triple-A became a 2-0, 2.53 ERA season out of the bullpen and a scoreless ninth inning in Game Six of the World Series, which the Cardinals won over the Yankees. After a season with the Cubs, he pitched for the Washington Senators from 1966 into 1970. He relied on a cutter learned from former Tigers teammate Frank Lary and, after an arm injury, a knuckleball. He finished 27-21 with 20 saves and a 3.36 ERA. After retiring he coached at Virginia Tech and worked as a minor league pitching instructor and coordinator for several organizations.
Sources: Wikipedia · SABR BioProject · Baseball-Reference · BaseballCardPedia
Graded population (PSA & SGC)
| Grader | Total | 10 | 9 | 8 | 7 | 6 | 5 | 1-4 | Auth |
|---|---|---|---|---|---|---|---|---|---|
| PSA | 164 | 10 | 27 | 89 | 26 | 8 | 1 | 3 | 0 |
| SGC | 6 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 2 |
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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Team card: #676 Washington Senators
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Frequently asked questions
What is the 1970 Topps #538 card?
It is card #538 of the 720-card 1970 Topps Baseball set, picturing Bob Humphreys of the Washington Senators.
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.