Crossword clues for the word: RFS The word RFS has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for RFS Showing 1 to 7 of 7 results Clue(s) "Diamond positions, briefly" "Ruth, Ott et al.: Abbr." Baseball positions: Abbr. Certain baseball players: Abbr. Certain baseball positions: Abbr Certain fielders: Abbr. Certain players: Abbr.