He finished the 2012 season with 100 tackles, 5.5 sacks, three interceptions, six passes defended, and three forced fumbles, one of which he recovered.

[4] Flowers was named the Pac-12 Defensive Player of the Week after Arizona's 39-35 win over USC, where he intercepted two passes and recorded a fumble.

Flowers rounded out his college career in 2013, in which he recorded 94 tackles, 1 sack and 1 interception, which he returned for a touchdown.

Flowers suffered a shoulder injury in the final preseason game in 2015 and was placed on injured reserve, missing the entire 2015 season.

In 2016, Flowers final year with the Bengals, he again played in all 16 regular season games, and recorded eight solo tackles, and one fumble recovery.

[10] Following injuries to Dont'a Hightower and Kyle Van Noy, Flowers saw his defensive snaps increase throughout the season after only being a core special teams player throughout his career.

In Week 16, in his second start of the season, Flowers recorded a team-high 10 tackles and 2.5 sacks, in a 37-16 win over the Buffalo Bills.