In 2009, Pierce won the Mid-American Conference freshman of the year award after rushing for 1,361 yards and 16 touchdowns.

That season, Pierce earned Eastern College Athletic Conference (ECAC) FBS Offensive Player of the Year honors and led Temple to its first bowl game win in 32 years, a 37-15 victory over the Wyoming Cowboys in the New Mexico Bowl.

Pierce scored his first touchdown of his professional career against the Cleveland Browns in Week 9 on November 4, 2012 on a 12-yard run.

On January 6, 2013, in the Wild Card playoff game against the Indianapolis Colts, he ran for 103 yards on 13 carries.

[10] Pierce scored his second career rushing touchdown on a 5-yard run in Week 2 against the Cleveland Browns.

Bernard became a backup — along with Lorenzo Taliaferro — to Justin Forsett for the Ravens during the 2014 NFL season after Ray Rice was cut and suspended for an off-season altercation with his wife.

He failed the subsequent field sobriety test, as he was unable to walk in a straight line for more than two yards.

[16] The Jets and Pierce reached an injury settlement and he was released from the reserve list on August 20, 2016.

[19] In 2018, Pierce played as a member of the Roadrunners led by retired quarterback, Michael Vick, in the American Flag Football League.