F
- "Flash" =
- Joe Gordon, United States baseball player
- Tom Gordon, American closer
- "Fleet" = Moses Walker, United States Negro League baseball player
- "Flip" = Al Rosen, American third baseman
- "The Flying Dutchman" = Honus Wagner, American shortstop
- "The Frying Dutchman" = Bert Blyleven, Dutch-born American starting pitcher
- "The Flyin' Hawaiian" = Shane Victorino, American baseball player (a native of Hawaii)
- "The Fordham Flash" = Frankie Frisch, United States baseball player
- "Foxy" = Arthur Irwin, Canadian baseball player
- "The Franchise" = Tom Seaver, American baseball player, pitcher, so nicknamed because he spent most of his career with one team.
- "The Freak" = Tim Lincecum, American baseball player, pitcher, so nicknamed because of his strange delivery to the plate.
- "Fran-Rad" = Francisco RodrÃguez, Venezuelan closer
- "Fred-Ex" = Freddy Sanchez, United States baseball player. A pun on Fed-Ex.
- "The Fury" = Jonathan Papelbon, American closer
Read more about this topic: List Of Baseball Player Nicknames