There’s Rollie Fingers, of course, and Goose Gossage.
Probably the best hockey one was Lanny McDonald.
What other ones can you think of?
Some the Swimmers from the former Soviet Block? East Germany?
Hulk Hogan had a great mustache.
No sports list would be complete without Ditka.
Randy Johnson
Aussie cricket legend, Merv Hughes.
W. G. Grace, British cricketeer.
The One, The Only, The Neckbeard.
Tennessee Titans’ head coach, Jeff Fisher. Jeff Fisher - Wikipedia
I like it even better when he has a goatee. Rowrrr… 
This!
It’s gotten this far without my hero, Jeff Odgers. Shame. 
1970s Formula One, the Sideburns Era:
Mark Spitz.
Franco Harris
(Although some of those NHL playoff beards really take the cake)
Someoine already cited the Mad Hungarian, Al Hrabosky.
He looked so intimidating as a reliever for the KC Royals. Sadly, he had to shave when he went to St. Louis, and he was never as effective.
It COULD be sheer coincidence, of course (and probably is), but it SEEMED as if he lost the intimidation factor when he lost the moustache.
He went to the Royals after the Cards.
Moustacheless as a Cardinal rookie in 1970; note the uniform number.
With the Braves in '80 - the return of the beard.
The House of David barnstorming team.
The women, you mean? 
Johnny Damon in his final “Damon’s Disciples” year with the Red Sox. One sign at Fenway when he returned as a Yankee: “Damon - Looks like Jesus, throws like Mary, acts like Judas”.
Nineteen posts and nary a mention of Chad Gaudin?
