Ryan Callahan, Brian Boyle and Anton Stralman Have Helped Tampa Bay to a Fast Start - The New York Times
Callahan Leads #1 Men's Ice Hockey to 10th Win at Middlebury - Trinity College
Ryan Callahan, ex-NHL player, coming home to Rochester to teach hockey
Michael Callahan - Men's Ice Hockey - Providence College Athletics
Callahan's move to TV may be model for other injured players - The San Diego Union-Tribune
Michael Callahan - Men's Ice Hockey - Providence College Athletics
Callahan Joins Selects Hockey Program
Sticking with it - Pathfinder
/cdn.vox-cdn.com/uploads/chorus_image/image/70620804/1294281056.0.jpg "Michael Callahan Signs with Boston Bruins - SB Nation College Hockey")
Michael Callahan Signs with Boston Bruins - SB Nation College Hockey
Ryan Callahan Announces Retirement | Pro Hockey Rumors
Boston Bruins Sign Michael Callahan to Entry-Level Contract - YouTube
Jack O'Callahan - Wikipedia
Ryan Callahan may be forced to retire from NHL
Michael Callahan - Men's Ice Hockey - Providence College Athletics
Ryan Callahan scores in his return to lineup as Lightning beats Panthers
Callahan the heartbeat of Providence hockey | TheAHL.com | The American Hockey League
Lightning's Ryan Callahan announces retirement after 13 seasons
Game Recap - Hockey East Association
Michael Callahan - Men's Ice Hockey - Providence College Athletics
Brian Callahan - Men's Ice Hockey (Club) - Alvernia University Athletics
Callahan makes committment to Air Force
Ryan Callahan - ESPN Press Room U.S.
Mitch Callahan Hockey Stats and Profile at hockeydb.com
Amazon.com: (CI) Jack O'Callahan Hockey Card 1984-85 O-Pee-Chee (base) 43 Jack O'Callahan : Collectibles & Fine Art
