When he addressed his players at the start of the offseason program, first-year coach Brian Callahan said he wants the Tennessee Titans to be "relentless and resilient." Another professional sports team in Nashville has gotten a lot of mileage recently out of the former while not long ago the Titans showed plenty of the latter. ... Defensive coordinator Dennard Wilson continues to entertain in his media sessions. In his latest, he talked about how he will not let opposing offenses dictate what his unit does and his notion that the game is played 11-on-1. ... Offensive coordinator Nick Holz won't have to familiarize himself with free-agent wide receiver Calvin Ridley. The two were together last season in Jacksonville, and Holz shared some insights about what the Titans and their fans should expect to see. ... One position group that has gone largely overlooked this offseason is tight end. The Titans have not yet added anyone at that position, and the returning players do not offer a lot of experience or a history of production. ... A red flag was raised with one draft prospect a day before he was to meet with the Titans. The only way to know what impact that will have is to wait and see whether the Titans -- given the opportunity -- actually draft him.