Callahan is poised to join John Harbaugh's inaugural staff in New York and will be tasked with developing Jaxson Dart.

That’s great news for new Giants head coach John Harbaugh, whose assistant coaching staff is believed to be complete (the team has not made any announcement confirming the various members added, but that’s expected as soon as Friday).

The New York Giants have reportedly hired former Tennessee Titans head coach Brian Callahan for their quarterbacks coach job, according to NFL Network's Ian Rapoport and Mike Garafolo.

Former Tennessee Titans head coach Brian Callahan has a new job. He is joining John Harbaugh’s staff with the New York Giants as the quarterbacks coach, according to Ian Rapoport. It’s Callahan’s third stop as a quarterback coach. That is probably the job for which he is the most suited.

Ex-Tennessee Titans head coach Brian Callahan is being hired as the New York Giants quarterbacks coach and passing game coordinator.

Former Tennessee Titans head coach Brian Callahan is being added to John Harbaugh's coaching staff as the quarterbacks coach and passing game coordinator for the New York Giants, ESPN reported Wednesday.

Former New York Giants head coach Ray Handley has passed away at the age of 81.