Vrabel rejects offer to become defensive coordinator in San Francisco

Chip Kelly thought San Francisco presented the best opportunity for him. Mike Vrabel didn’t. The Texans linebackers coach has rejected an offer to join Kelly as the 49ers defensive coordinator, per multiple reports. Vrabel, 40, joined the Texans in 2014 with coach Bill O’Brien. While making the move to the 49ers would have represented a…