Alexander was selected by the Carolina Panthers in the fourth round, with the 103rd overall pick, of the 2012 NFL draft.
[1] He made his NFL debut in Week 1 against the Tampa Bay Buccaneers as a backup defensive end.
[3] In the second preseason game against the Miami Dolphins, Alexander suffered a torn Achilles tendon.
On November 24, 2015, the NFL announced that Alexander would be suspended for a year for his third violation with marijuana.
[7] On March 7, 2017 Alexander and the BC Lions of the Canadian Football League agreed to a contract.