Gary Lavelle (#311) was 7-9 with 20 saves and a 2.51 ERA in 70 games. Gary was an underrated reliever in the late 70s and early 80s.
Charlie Williams (#142) didn't pitch for the Giants in 1979. He retired after the 1978 season. Charlie started with the New York Mets in 1971 and then was traded to the Giants in 1972 for Willie Mays. Williams pitched for the Giants from 1972-1978.
Vida Blue (#110) was 14-14 with a 5.01 ERA in 34 starts. He led the Giants in both wins and losses.