In a 1980-89 franchise theme league ($100MM cap) still playing, my 1980 Steve Garvey's stats after 121 games: .318/.353/.536, 30 HR, 102 RBI, 5 good plays ($6.11MM)
I don't know how this compares with the 1975 Garvey, but this Garvey is outperforming his real life stats.