Typical AC joint injury mechanism for Sam Walker with arm pinned by side. Has been dealing with AC joint injury in other shoulder since early 2021. Is now off, have to hope just a sprain & no collarbone/AC fracture (6 wks). Sprain typically quick return, usual worst case: 3-5wks To be clear a low grade sprain would see him needled up and return very quickly (possibly today, more likely next week). But concern is there for at least a moderate-high grade sprain with traumatic nature of the mechani