Ty Cobb and Willie Mays, positionally: Abbr.

• Middle defensive players in baseball: Abbr
• Baseball positions: Abbr.
• Kirby Puckett and Mickey Mantle, by pos
• Mike Trout and Mickey Mantle, by pos
• Certain fly-catchers: Abbr
• Certain baseball positions: Abbr
• Mickey Mantle and Mike Trout, for two: Abbr
• Ty Cobb and Willie Mays, positionally: Abbr

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