With his fists waving up and down,Brad Kaaya Jersey, an angry Rivera warned players about the dangers of losing their cool in practice.
"We can't have chippiness or late shots toward a teammate," Rivera said afterward. "The concern obviously is it escalates and it festers and it lingers and the next time we go out on the football field somebody is taking a shot... We can't afford to afford to have anybody that we truly need get caught up in this."