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Mike Phillips (#642) batted .194 in 10 games for the Giants in 1975. The Giants waived him and the New York Mets claimed him on May 3.
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Bruce Miller (#606) batted .239 in 99 games. He mostly played 3B and had some games at 2B and SS.
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Chris Speier (#505) was the starting shortstop, played in 141 games, and batted .271.
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Steve Ontiveros (#483) mostly played at 3B, but also saw action at 1B and in the OF. He batted .289 with little power in 108 games. He had a nice on base percentage (.391). In fact, none of the Giant starters had an OBP below .347.
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Tito Fuentes (#425) was traded with Butch Metzger to the San Diego Padres for Darrell Thomas before the 1975 season.
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Ed Goodson (#322) batted .207 in 121 at bats as a utilityman in 1975. He was traded to the Atlanta Braves for Craig Robinson on June 11.
Other infielders who saw action for the Giants but didn't get a 1975 Topps Giants card:
- Willie Montanez (1B) batted .305 in 135 games.
- Darrell Thomas (2B) batted .276 in 144 games and led the Giants in stolen bases (28).
- Johnnie LeMaster (SS) batted .189 in 74 at bats as a September call-up.
- Chris Arnold (UT) batted .195 in 41 at bats. He batted .339 in 35 games at AAA Phoenix in 1975.
- Craig Robinson (UT) batted .069 in 29 at bats after being acquired on June 11.