Clue: Result of 1980 Wimbledon Men's final, fifth of titles for 5 of the P (6,5)
Answer: VICTOR BORGE
Explanation: Definition: 5 of the P
VICTOR: BORG ('result of 1980 Wimbledon Men's final'; Björn Borg beat John McEnroe) plus E ('fifth of titl**E**s'), for the comedic piano player.