Answer: OTTS

AnswerCrossword Clue
OTTSHockey's Steve and baseball's Mel
OTTSMel and a Pirate catcher
OTTSTwo N.L. players
OTTSBaseball's Mel and family
OTTSSlugger Mel's family
OTTSFamily of a Giant star
OTTSFormer Giant's family
OTTSGiant Mel and family
OTTSGiant great and family
OTTSBaseballers Ed and Mel
OTTSGiant Mel and others
OTTSLegendary Giant's family
OTTSCards traded for Musials, maybe
OTTSCards once traded for Gehrigs, say
OTTSSlugger Mel and family
OTTSSome valuable 1920s-'40s baseball cards
OTTSGiant giant's family
OTTSGiant Mel and Pirate Ed
OTTSBaseball brothers
OTTSMaster Melvin's family
OTTSGiant legend Mel and family
OTTSFamily of a Giants legend
OTTSGiants legend Mel and family
OTTSBaseball Mel's family
OTTSEd and Mel
OTTSBaseball's Mel, and family
OTTSCards traded for Gehrigs, perhaps
OTTS"Fred ... Sneeze" (first copyrighted motion picture)
OTTSBaseball's Ed and Mel
OTTSBaseball's Mel and Ed
OTTSGiant Mel and kin
OTTSKin of Cooperstown's Mel
OTTSBallplayer Mel and others
OTTSEd and Mel of baseball
OTTSMel and Ed of baseball
OTTSCollectible baseball cards
OTTSGiant star et al.
OTTSMel and others
OTTSBaseball's Mel et al.
OTTSGiant star and others