portsider

plural portsiders

1. hobbiesA left-handed pitcher, boxer, hockey player, etc.; a southpaw.

   The Giants' portsider pitched a beautiful game, going into the Dodgers' ninth with a 2–1 lead.

   2014, Lowell L. Blaisdell, Carl Hubbell: A Biography of the Screwball King, page 46

   2 more examples

   Then came Henderson, already a high-scoring portsider in the NHL for a decade, with Detroit and then Toronto.

   2003, Stan Fischler, Shirley Fischler, Who's who in Hockey

   It would seem that a healthy stint of sparring with Manny Pacquiao, in readiness for the southpaw elusiveness of McCloskey, had still left Khan ill-equipped to conclusively deal with the plucky portsider.

   2012, Steve Wellings, Irish Boxing Review, page 188