Callahan to Lead Kearney Selects
Ryan Callahan - Wikipedia
Former Lightning player Ryan Callahan announces his retirement
Rangers defeat Flyers again
Former Rangers captain Ryan Callahan officially ends playing career - Newsday
Ryan Callahan - NHL News & Rumors
Ryan Callahan Facts for Kids
New York Rangers: Ryan Callahan has to retire due to back injury
Ryan Callahan may be forced to retire from NHL due to injury
Sean Avery 'happy' John Tortorella was fired
Ryan Callahan in statement: Sean Avery doesn't speak for Rangers