[2] As a true freshman, Glenn appeared in 13 games making 10 starts, and was named to College Football News's All-Freshman First-team.

[6] It was the second time in team history the offensive line held opponents to zero sacks in the first two games of a season.

On November 11, 2012, Glenn was part of an offense that produced season bests of 481 total yards and a time of possession of 33:50 against the New England Patriots.

[8] Glenn was part of an offensive line that held opponents to 30 sacks (5th fewest in the AFC), while blocking for a rushing attack that averaged 138.6 yards per game.

[8] Glenn blocked for just the second Bills running back duo in franchise history to exceed 800 yards a piece on the ground (Fred Jackson & C.J.

[10] Glenn's 2017 season was plagued by foot and ankle injuries, only playing six games before being placed on injured reserve on December 15, 2017.

On September 13, 2019, Glenn was ruled out for Week 2 after suffering a concussion during the Bengals' 2nd preseason game.

[15] On October 18, 2019, he was suspended for week 7 by the Bengals for disciplinary reasons related to treatment for his concussion.