1958 Topps #474 Ray Semproch
About Ray Semproch
Ray Semproch's 1958 Topps card is #474, a rookie card in the sixth and final series, just ahead of the All-Star subset, and it pictures him with the Philadelphia Phillies. It reports his 1957 season, when the right-hander went 12-4 with a 2.64 ERA for Triple-A Miami. He made his major league debut on April 15, 1958.
Roman Anthony Semproch, a right-handed pitcher from Cleveland, was the top rookie pitcher in baseball for one summer. Signed by the Philadelphia Phillies as an amateur free agent in 1951, he lost two years to the Marine Corps and did not reach the majors until April 15, 1958, at age 27. Armed with a sinker he learned in the minors, he went 13-11 with a 3.92 ERA and 12 complete games, leading all rookie pitchers in wins, complete games and innings pitched. Asthma dogged him and the magic did not last: he fell to 3-10 with a 5.40 ERA in 1959, and Philadelphia traded him to Detroit that December with Chico Fernandez. He was 3-0 in 17 relief outings for the Tigers before a June 1960 deal with the Dodgers for Clem Labine sent him to Triple-A Spokane; he never wore a Dodgers uniform. Washington's new expansion club claimed him that November, the Angels bought him the following April, and a spring back injury ended his career after two relief appearances. He finished 19-21 with a 4.42 ERA and 156 strikeouts in 85 games, then managed the bar at Broglio's, his family's restaurant in Independence, Ohio. He died October 27, 2024, at 93.
Sources: Wikipedia · Baseball Almanac · BaseballCardPedia
Graded population (PSA & SGC)
| Grader | Total | 10 | 9 | 8 | 7 | 6 | 5 | 1-4 | Auth |
|---|---|---|---|---|---|---|---|---|---|
| PSA | 234 | 0 | 4 | 62 | 89 | 49 | 19 | 11 | 0 |
| SGC | 9 | 0 | 0 | 4 | 2 | 2 | 0 | 1 | 0 |
Graded population — a scarcity guide, not a price. Snapshot 2026-07-09. Half-grades fold down (8.5→8). PSA counts are straight-graded (the +/Q qualifier rows are excluded).
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Frequently asked questions
What is the 1958 Topps Ray Semproch card?
It is card #474 of the 1958 Topps Baseball set - Topps' sixth flagship issue: 494 cards numbered 1-495 (#145 was never issued), with die-cut player photos on solid-color backgrounds and the first team logos on Topps fronts. It pictures Ray Semproch, Philadelphia Phillies.
Is the 1958 Topps Ray Semproch #474 a rookie card?
Yes - #474 is a rookie card, one of 103 in the 1958 Topps set.
How many graded copies of the 1958 Topps Ray Semproch #474 are there?
PSA has graded 234 copies and SGC 9 as of the 2026-07-09 snapshot. Population is a scarcity guide, not a price - high-grade 1958s are notoriously tough because of the set's chronic centering and print-quality issues.
How many cards are in the 1958 Topps set?
494 issued cards, numbered 1-495 - #145 (Ed Bouchee) was pulled before release and never issued, leaving a permanent gap. The PSA master census counts 534 items: the 494 base cards plus 33 yellow-letter variations, 4 numerical checklist-back team cards, the 'Herrer' #433 error, and 2 unnumbered ad cards.
Sources: PSA CardFacts, Beckett, BaseballCardPedia, Baseball-Reference, PSA & SGC population reports, and hobby press-sheet research (Topps Archives, 2026). Card data compiled and maintained by T206Cards.com. Page last updated 2026-09-30.