Packers rookie J.C. Tretter suffers broken ankle

Any practices happening this time of year are non-contact. But that doesn’t mean they’re safe. According to Jason Wilde of ESPNWisconsin.com, Packers offensive lineman J.C. Tretter suffered a broken ankle, and is expected to miss six months. Tretter apparently suffered the injury during a fumble recovery drill during OTAs Monday. Tretter, a fourth-round pick from…