Originally posted by Heroism:You already know Reuben was throwing punches with that f**ked up shoulder.
#49ers #Broncos practice didn't take long for several fights. Most SF D-line vs Denver O-line but Reuben Foster in mix, bum shoulder & all
— Cam Inman (@CamInman) August 17, 2017
Just from the outside looking in and guessing. Things probably got chippy in the trenches and Reuben was taking up for his teammates.