Former Titans head coach Brian Callahan reportedly lands with Giants as QBs coach, passing game coordinator Callahan is poised to join John Harbaugh's inaugural staff in New York and will be tasked with developing Jaxson Dart. Content Original Link: https://sports.yahoo.com/nfl/breaking-news/article/former-titans-head-coach-brian-callahan-reportedly-lands-with-giants-as-qbs-coach-passing-game-coordinator-140232134.html