Shanahan, who was keeping an eye on what was going on behind Manziel, told him, "'Go," and No. 2 took off.
Johnny Manziel catch vs. Ravens on trick play called back by penalty →
Both QBs have had their good and bad moments through five practices, and offensive coordinator Kyle Shanahan said a contest that has divided Browns fans remains a tight race.
Manziel battling playbook, Hoyer in first NFL camp →