St. Louis Rams running back Isaiah Pead tore his anterior cruciate ligament.
Pead returned a kickoff, injuring himself without being hit when his leg bent awkwardly
Pead is a 2012 second-round draft pick.
He was running behind Zac Stacy and Tre Mason on the depth chart.
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Aaron Wilson covers the Ravens for The Baltimore Sun
Aaron Wilson covers the NFL for National Football Post, his second stint at the Post. He has previously written for Pro Football Talk and FOX Sports-Scout. Entering his 13th year covering the Baltimore Ravens, he’s a beat writer for The Baltimore Sun. Wilson has also covered the Jacksonville Jaguars and Tennessee Titans.