Coffee and clips with Ryan Callahan: On life after hockey, Lightning and TV - The Athletic
Ryan Callahan retires a true warrior who left everything on the ice
Tampa Bay's Ryan Callahan receives career-ending diagnosis
Familiar Faces Return to MSG with Tampa Bay Looking to Stick It to Rangers, News, Scores, Highlights, Stats, and Rumors
Ryan Callahan retires, has 'no regrets' over Lightning and Rangers tenures - The Athletic
Ryan Callahan Diagnosed With Degenerative Back Disease
Ryan Callahan returns to practice in regular jersey
Ryan Callahan to sign six-year contract with Tampa Bay Lightning - ESPN
Former New York Rangers captain Ryan Callahan announces retirement
Ryan Callahan retires from NHL with degenerative back disease
Ryan Callahan Announces Retirement
Paetsch Retires
Rumor Roundup: Should the Lightning re-sign Ryan Callahan? - The Hockey News