Which former pitcher in Major League Baseball refused to pitch in the
World Series because the game day fell on Yom Kippur?

Sandy Koufax was Jewish. Was he that religious?

Wow! that was a fast ball Professor! a record. Source

I just happened to sign in as you posted. Better to be lucky than smart.

From your source:

quote:

Koufax is also notable as one of the outstanding Jewish athletes of his era in American professional sports.

There's a gag in the movie Airplane!...
Flight attendant: Would you like something to read?
Passenger: Do you have anything light?
Flight attendant: How about this leaflet, "Famous Jewish Sports Legends?"