File-This Aug. 3, 2018, file photo shows Missouri quarterback Drew Lock, right, smiling as he runs past head coach Barry Odom during an NCAA college football practice in Columbia, Mo. When former Missouri offensive coordinator Josh Heupel left to become the head coach at Central Florida last year, it meant that Lock would play his senior season with a third offensive coordinator in four years. (AP Photo/Jeff Roberson, File)
COLUMBIA, MO. • Missouri held a shortened practice Friday to prepare for Saturday’s scrimmage, the second of preseason camp. It’s a pivotal scrimmage as Barry Odom and his staff continue to piece together their depth charts before the Sept.