https://www.espn.com/nfl/story/_/id/49561930/raiders-hold-cousins-crosby-practice-day-scuffle
"Cousins and Crosby got into a heated altercation Friday. The five-time Pro Bowler hit Cousins twice during the team period. When Crosby hit Cousins' arm a second time, the 15-year veteran had had enough. Cousins got into Crosby's face, grabbing the edge rusher's jersey, while both exchanged words before it was broken up..."
