DiMaggio and Mantle: Abbr

• Ty Cobb and Willie Mays, positionally: Abbr.
• Certain baseball positions: Abbr
• Middle defensive players in baseball: Abbr
• Certain baseball positions (abbr.)
• Outfield positions: Abbr
• Mickey Mantle and Mike Trout, for two: Abbr
• Ty Cobb and Willie Mays, positionally: Abbr

Wikipedia Word definitions in Wikipedia
CFS is an acronym for:

Wiktionary Word definitions in Wiktionary
init. (context medicine English) chronic fatigue syndrome.