The 6-foot-2, 331-pounder has played for the Chiefs for three seasons.
He has played in a dozen career games with eight tackles and one sack.
Powe is a former sixth-rounder from Ole Miss.
He was an All-Southeastern Conference second-team selection as a senior.
Growing up in Mississippi, Powe was a Parade All-American who played in the U.S. Army All-America Bowl.
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Aaron Wilson covers the Ravens for The Baltimore Sun