Joe Rose: How likely is it that Kyle McCord is "the guy?"

Joe Rose explains why Dolphins fans need to temper their expectations with a young offensive line, missing All-Pro center Aaron Brewer, and inexperienced receivers like Caleb Douglas and Kevin Coleman. Plus, Joe reacts to Zach Sieler being out for the season with a torn bicep and issues a challenge to second-year defensive lineman Kenneth Grant to step up as a frontline player.