Lock's Heisman campaign to begin in earnest in Mizzou opener
FILE - In this Oct. 28, 2017, file photo, Missouri quarterback Drew Lock (3) passes to Missouri running back Larry Rountree III (33), during the second half of an NCAA college football game, in East Hartford, Conn. The Tigers ranked eighth nationally in total offense last year. And with 10 starters on offense returning _ including its entire starting offensive line _ Missouri is in good shape to replicate its elite offense from last season.(AP Photo/Jessica Hill, File)

FILE - In this Oct. 28, 2017, file photo, Missouri quarterback Drew Lock (3) passes to Missouri running back Larry Rountree III (33), during the second half of an NCAA college football game, in East Hartford, Conn. The Tigers ranked eighth nationally in total offense last year. And with 10 starters on offense returning _ including its entire starting offensive line _ Missouri is in good shape to replicate its elite offense from last season.(AP Photo/Jessica Hill, File)

Aug. 31, 2018 10:06 AM EDT
FILE - In this Aug. 3, 2018, file photo, Missouri quarterback Drew Lock warms up during an NCAA college football practice in Columbia, Mo. The 2018 Heisman campaign is officially underway for Lock, and his first performance comes Saturday at home against FCS opponent Tennessee-Martin. (AP Photo/Jeff Roberson, File)

FILE - In this Aug. 3, 2018, file photo, Missouri quarterback Drew Lock warms up during an NCAA college football practice in Columbia, Mo. The 2018 Heisman campaign is officially underway for Lock, and his first performance comes Saturday at home against FCS opponent Tennessee-Martin. (AP Photo/Jeff Roberson, File)

Aug. 31, 2018 10:07 AM EDT