1979 Topps #712 Mariners Prospects - Bud Anderson / Greg Biercevicz / Byron McLaughlin
On this card: Bud Anderson, Greg Biercevicz, Byron McLaughlin
About this card
Cards #701-726 are the 26 three-player Prospects cards, one per club - AL clubs first, each league in alphabetical order by city - with black-and-white player photos on the front. A Prospects card is a rookie card for the players on it who had no earlier Topps flagship card. On #703, #705, #712, #718 and #723, one or two of the players never reached the major leagues.
The story on this card
Anderson was in his third year in the Mariners system when this card was issued, a season he spent mostly with the Spokane Indians and finished 2-13. He had gone 12-8 for Stockton in 1978 after going 5-3 at Bellingham in 1977. Card #712 is the Mariners' Prospects card, shared with Greg Biercevicz and Byron McLaughlin, and it is the first card of all three men. Right-handed reliever out of Rutgers who pitched 64 games for Cleveland in 1982 and 1983. A Seattle third-round pick in 1977, he went 4-10 with a 3.68 ERA and saved seven games, all in 1983.
Biercevicz split 1978 between Stockton and Triple-A San Jose, making 14 starts and finishing 5-5 for San Jose. His 1979 Topps rookie card, Seattle Prospects #712, was shared with Bud Anderson and Byron McLaughlin. He spent 1979 with Triple-A Spokane, winning 10 games and pitching 141 innings. Seattle pitching prospect Greg Biercevicz went 11-1 with a 0.90 ERA for Bellingham in 1977. He completed 9 of his 13 starts and threw 3 shutouts in 110 innings.
McLaughlin made his first appearance of 1979 on April 6, pitching seven innings and winning against Cleveland. He earned his first major league save against Detroit on June 6 and threw his only complete game of the year against Minnesota on July 3. His 1979 Topps card, #712, is a Mariners Prospects card shared with Bud Anderson and Greg Biercevicz, and it is a rookie card for all three men. Right-hander for the Seattle Mariners from 1977 to 1980 and the 1983 California Angels. He saved 14 games in 1979, went 16-25 with a 5.11 ERA in the majors, and was later convicted of money laundering over counterfeit shoes.
Sources: Wikipedia (Bud Anderson) · Wikipedia (Byron McLaughlin) · Stats Crew · BaseballCardPedia · Trading Card Database
Graded population (PSA & SGC)
| Grader | Total | 10 | 9 | 8 | 7 | 6 | 5 | 1-4 | Auth |
|---|---|---|---|---|---|---|---|---|---|
| PSA | 127 | 46 | 54 | 19 | 4 | 0 | 4 | 0 | 0 |
| SGC | 3 | 1 | 1 | 1 | 0 | 0 | 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 1979 Topps #712 card?
It is card #712 of the 726-card 1979 Topps Baseball set, picturing Bud Anderson, Greg Biercevicz and Byron McLaughlin. Cards #701-726 are the 26 three-player Prospects cards, one per club - AL clubs first, each league in alphabetical order by city - with black-and-white player photos on the front. A Prospects card is a rookie card for the players on it who had no earlier Topps flagship card. On #703, #705, #712, #718 and #723, one or two of the players never reached the major leagues.
Is 1979 Topps #712 a rookie card?
Yes - #712 is a rookie card for every player pictured on it: Bud Anderson, Greg Biercevicz and Byron McLaughlin.
How many cards are in the 1979 Topps Baseball set?
726 cards, numbered 1 through 726 with none skipped and issued as a single series, tracked as 727 collectible states: #369 Bump Wills comes with a Rangers or a Blue Jays team banner, and the master set counts both.
Sources: Trading Card Database, PSA, 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.