The Mets have had a couple though, including Scott Schoeneweis and Sean Green.
Ike Davis is Jewish (His FATHER is NOT-Jewish)
Side note Alan “Shlomo” Veingrad was an Offensive tackle for the Packers and Cowboys and became a Chabbadnick after he retired . You would never know he was a Pro Football player the way he looks now.
He organized the first Glatt Kosher Tailgate at Lambeau Field