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Checklists › 1969 Topps Baseball › #548 Bob Locker

1969 Topps #548 Bob Locker

Chicago White Sox · Pitcher · American League · Base set · Series 6 · Card #548 of 664
Position shown is where he played most in 1968, from that season's fielding records - not read off the card.
1969 Topps #548 Bob Locker, Chicago White Sox
1969 Topps #548 Bob Locker card back
The back of #548 Bob Locker.

About Bob Locker

1969 Topps #548, from the sixth print series, shows Locker with the Chicago White Sox. He struggled early that season before Chicago traded him to the expansion Seattle Pilots for Gary Bell on June 8; in Seattle he joined the bullpen later chronicled in Jim Bouton's Ball Four and sharply improved his ERA over the second half.

Bob Locker was a right-handed relief pitcher from George, Iowa, who threw a sinker so heavy that hitters often beat it into the ground. A geology graduate of Iowa State, he lost two seasons to military service before reaching the majors at age 27 in 1965. Locker anchored bullpens for five teams over a decade in the majors, most notably a Chicago White Sox staff that led the American League in ERA for four straight years and an Oakland Athletics team that won the 1972 World Series, where he pitched in relief. He worked as a setup man ahead of closer Rollie Fingers during Oakland's championship run and also pitched for the Seattle Pilots, Milwaukee Brewers, and Chicago Cubs. He finished with a 2.75 career ERA and 95 saves over 576 games, all in relief, without ever making a start.

Sources: Wikipedia · SABR BioProject · Baseball-Reference

Graded population (PSA & SGC)

GraderTotal10987651-4Auth
PSA38414145169368750
SGC1106410000

Graded population — a scarcity guide, not a price. Data as of 2026-09-04. 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 1969 Topps #548 card?

It is card #548 of the 664-card 1969 Topps Baseball set, picturing Bob Locker of the Chicago White Sox.

How many cards are in the 1969 Topps Baseball set?

664 cards, tracked as 696 collectible states. Numbers run from 1 to 664 with none skipped and no printed number shared by two cards; 32 cards carry catalogued print variations that the master set counts separately, 23 of them the yellow- and white-letter name pairs of #440-511.

Sources: Trading Card Database, PSA CardFacts, 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 2026-10-12.