Nebraska quarterback Adrian Martinez (2) warms up before an NCAA college football game against Colorado in Lincoln, Neb., Saturday, Sept. 8, 2018. (AP Photo/Nati Harnik)

Nebraska quarterback Adrian Martinez (2) scrambles during the first half of an NCAA college football game against Colorado in Lincoln, Neb., Saturday, Sept. 8, 2018. (AP Photo/Nati Harnik)

A B2 bomber flies over Memorial Stadium before the first half of an NCAA college football game between Nebraska and Colorado, in Lincoln, Neb., Saturday, Sept. 8, 2018. (AP Photo/Nati Harnik)

Nebraska head coach Scott Frost, left, and Colorado head coach Sandy Macintyre shake hands before an NCAA college football game in Lincoln, Neb., Saturday, Sept. 8, 2018. (AP Photo/Nati Harnik)

Nebraska quarterback Adrian Martinez (2) is tackled by Colorado defensive back Evan Worthington (6) during the first half of an NCAA college football game in Lincoln, Neb., Saturday, Sept. 8, 2018. (AP Photo/Nati Harnik)

Nebraska running back Greg Bell (25) fumbles the ball for a turnover against Colorado linebacker Nate Landman (53), defensive lineman Israel Antwine, rear, and linebacker Rick Gamboa (32) during the first half of an NCAA college football game in Lincoln, Neb., Saturday, Sept. 8, 2018. (AP Photo/Nati Harnik)

FILE - In this Sept. 8, 2018, file photo, Colorado wide receiver Laviska Shenault Jr. (2) makes a catch for a touchdown against Nebraska defensive back Dicaprio Bootle (23) during the second half of an NCAA college football game in Lincoln, Neb. Shenoult's potential is being realized in a big way. (AP Photo/Nati Harnik, File)

FILE - In this Sept. 8, 2018, file photo, Nebraska running back Greg Bell (25) runs away from Colorado defensive back Dustin Johnson (26) and defensive back Delrick Abrams Jr. (1) during the first half of an NCAA college football game in Lincoln, Neb. The 18-point underdog Cornhuskers, averaging 258 yards per game on the ground, need their three-man rotation of Greg Bell, Maurice Washington and Devine Ozigbo to produce if they are going to pull the upset against Michigan.(AP Photo/Nati Harnik, File)

FILE - In this Sept. 8, 2018, file photo Nebraska running back Greg Bell (25) fumbles the ball for a turnover as he is hit by Colorado linebacker Nate Landman (53), defensive lineman Israel Antwine, rear, and linebacker Rick Gamboa (32) during the first half of an NCAA college football game in Lincoln, Neb. Through three games Colorado sophomore linebacker Nate Landman already has 34 tackles. That’s double the total he had as a freshman last season.(AP Photo/Nati Harnik)

FILE - In this Saturday, Sept. 8, 2018 file photo, Nebraska quarterback Adrian Martinez (2) warms up before an NCAA college football game against Colorado in Lincoln, Neb. The Cornhuskers hope quarterback Adrian Martinez can play for the first time since injuring his right knee late in the fourth quarter of the opener against Colorado. Nebraska plays Michigan on saturday, Sept. 22, 2018. (AP Photo/Nati Harnik, File)

In this Sept. 8, 2018, photo, Nebraska running back Greg Bell (25) warms up before an NCAA college football game against Colorado in Lincoln, Neb. Bell has left the team and received a release from his scholarship. An athletic department spokesman said Friday night, Oct. 5, that Bell didn’t make the trip for the Cornhuskers’ game at No. 16 Wisconsin on Saturday and planned to transfer. (AP Photo/Nati Harnik)

FILE - In this Saturday, Sept. 8, 2018, file photo, Nebraska quarterback Adrian Martinez (2) leaps for a touchdown against Colorado during the first half of an NCAA college football game in Lincoln, Neb. Four starts into his career, Martinez already is showing signs of blossoming into the next standout quarterback coached by Scott Frost. (AP Photo/Nati Harnik, File)

FILE - In this Sept. 8, 2018, file photo, Colorado wide receiver Laviska Shenault Jr. (2) gestures after he scored a touchdown against Nebraska during the first half of an NCAA college football game in Lincoln, Neb. Shenault is the nation’s leading receiver and plays for an undefeated Power Five team, yet he remains something of an afterthought in a Heisman conversation that has been dominated by quarterbacks such as Alabama’s Tua Tagovailoa and Ohio State’s Dwayne Haskins thus far. Part of the problem is that Colorado has played a relatively soft schedule, due to Nebraska and UCLA having down seasons. (AP Photo/Nati Harnik, File)

FILE - In this Sept. 8, 2018, file photo, Colorado wide receiver Laviska Shenault Jr. (2) makes a touchdown reception against Nebraska defensive back Dicaprio Bootle (23) during the second half of an NCAA college football game in Lincoln, Neb. Shenault is a shy, soft-spoken person. That is, until he steps onto the field and transforms into an alter ego he's nicknamed "Viska 2Live," becoming an electric playmaker who's vaulted into the conversation for the Heisman Trophy. (AP Photo/Nati Harnik, File)

FILE - In this Sept. 8, 2018, file photo, Nebraska linebacker Mohamed Barry (7) celebrates a sack of Colorado quarterback Steven Montez (12) during the first half of an NCAA college football game in Lincoln, Neb. If Nebraska needs any extra incentive to pick up its elusive first win Saturday, players who were on the field against Minnesota last year need only remember what happened in that game. (AP Photo/Nati Harnik, File)

In this Sept. 8, 2018 photo, Nebraska running back Maurice Washington warms up before an NCAA college football game against Colorado, in Lincoln, Neb. California authorities have filed criminal charges against Nebraska's Washington. He is suspected of possessing a video of his underage high school girlfriend being sexually assaulted by two other people and sending that video to the girl less than a year ago. The university athletic department said it was aware of the situation and Washington's attorney said his client would cooperate with authorities. (AP Photo/Nati Harnik)

FILE- In this Sept. 8, 2018, file photo, Nebraska defensive lineman Ben Stille (95) celebrates a sack of Colorado quarterback Steven Montez during the second half of an NCAA college football game in Lincoln, Neb. The Nebraska defense is counting on Stille and his linemates as the 24th-ranked Cornhuskers try to rebound from a 4-8 record last year. (AP Photo/Nati Harnik, File)

FILE - In this Sept. 8, 2018, file photo, trainers examine injured Nebraska quarterback Adrian Martinez (2) during the second half of an NCAA college football game against Colorado in Lincoln, Neb. Nebraska has circled this week's game against Colorado on the schedule, and not just because the teams are former Big Eight/Big 12 rivals. The Cornhuskers are looking to avenge last year's loss, when they squandered a second-half lead and the Buffaloes injured Adrian Martinez. (AP Photo/Nati Harnik, File)