At St. Paul’s Episcopal School in Mobile, Alabama, the high school that produced Crimson Tide quarterbacks AJ McCarron and Jake Coker, there’s a new preseason ritual for football players: the social media talk.

It’s about more than minding their manners. Coach Steve Mask warns players not to post about injuries, which can scare away recruiters. Committing on Twitter to a school is also discouraged — one recent former player tweeted commitments to four different schools without informing any coaches.