1978 Topps #558 Paul Mitchell
About Paul Mitchell
Mitchell appears as a Mariner on #558 in the 1978 Topps set. In 1978 his 8-14 record led Seattle's pitchers in wins, on a team that lost 104 games. He started 29 times and threw two shutouts. His 4.18 ERA came over 168 innings.
Paul Mitchell was a right-handed starting pitcher who worked six major league seasons, 1975 to 1980, for the Baltimore Orioles, Oakland Athletics, Seattle Mariners and Milwaukee Brewers. A Worcester, Massachusetts native, he pitched at Old Dominion University and for the Falmouth Commodores of the Cape Cod League. Falmouth won the league title in each of his three summers there, and he was named the league's outstanding pitcher in 1969 and 1970. Baltimore took him seventh overall in the secondary phase of the 1971 draft. He debuted on July 1, 1975, at Fenway Park and finished 3-0 with a 3.63 ERA. His major league line was 32-39 with a 4.45 ERA over 125 games and 621 1/3 innings. He handled 114 chances in the field without an error, a perfect 1.000 career fielding percentage that ties the record for pitchers with at least 500 innings. He was inducted into the Cape Cod Baseball League Hall of Fame in 2002.
Sources: Wikipedia · Baseball-Reference
Graded population (PSA & SGC)
| Grader | Total | 10 | 9 | 8 | 7 | 6 | 5 | 1-4 | Auth |
|---|---|---|---|---|---|---|---|---|---|
| PSA | 95 | 10 | 53 | 23 | 5 | 1 | 2 | 1 | 0 |
| SGC | 2 | 0 | 0 | 1 | 0 | 1 | 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 1978 Topps #558 card?
It is card #558 of the 726-card 1978 Topps Baseball set, picturing Paul Mitchell of the Seattle Mariners.
How many cards are in the 1978 Topps Baseball set?
726 cards, numbered 1 through 726 with none skipped and issued as a single series, and 728 collectible states: #23 Bump Wills comes with or without a black circle, and #374 Jose Morales with or without black stitching over the red laces, so the master set counts both states of each.
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.