By Madison Williams Trubisky started Pittsburgh’s first four games of the season before being replaced by rookie Kenny Pickett. During the Steelers’ 24–20 loss to the Jets in Week 4, starting quarterback Mitchell Trubisky was benched at halftime and relieved by rookie Kenny Pickett. Pickett then was named QB1 by coach Mike Tomlin and started the subsequent two games. Now, areport from the Pittsburgh Post-Gazette notes that receiver Diontae Johnson might be the reason why Trubisky was initially benched. Trubisky and Johnson reportedly got into a heated confrontation in the locker room during ha…