J.J. McCarthy’s weapons-rich Vikings offense makes him a high-upside fantasy football sleeper. Who else on the Vikings could provide value?

Minnesota Vikings quarterback J.J. McCarthy will play in Saturday's preseason opener, head coach Kevin O'Connell said, the young passer's first on-field action since an injury ended his rookie year.

As joint practices become more prevalent, coaches strongly prefer getting work for their key players there, in lieu of preseason games.