I'd call him a copycat, but I don't think it applies in this scenario. Copy-horse?
Check my MPIE answers. [OFTOT]
Joe "Man Muscles" Mauer for MVP. [Babes Love Baseball]
Seven songs from sports film soundtracks that you don't know. [Steady Burn]
Regis Philbin is confused about NBA jerseys. [The World of Isaac]
Ocho Cinco kicks an extra point. [NESW Sports]