PITTSBURGH — Mike Tomlin understands Antonio Brown's competitiveness is what helps make Brown one of the best wide receivers in the NFL.
The Pittsburgh Steelers coach just wishes his star would do a better job of channeling it properly when things don't go Brown's way.
Tomlin mildly chastised Brown for a brief sideline eruption during last Sunday's 26-9 victory over Baltimore.
Brown took his frustrations out on a water cooler after quarterback Ben Roethlisberger failed to see Brown running free down the sideline in the second quarter. Roethlisberger instead threw an incomplete pass intended for Le'Veon Bell.
Tomlin didn't see Brown's initial outburst and...