The Kansas City Chiefs placed defensive back Sanders Commings on injured reserve and promoted linebacker Josh Martin to the active roster from the practice squad.
Martin joined the Chiefs as an undrafted free agent in May.
Prior to joining the Chiefs, he played in 30 games for Columbia University in the Ivy League with 140 tackles, 17.5 sacks, two forced fumbles, five fumble recoveries.
Commings joined the Chiefs as a fifth-round pick this year.
He has played in two games with one solo tackle. Commings spent the first nine weeks of the season on injured reserve with the designation to return. He appeared in 54 games at Georgia, recording 154 tackles one sack, one forced fumble and three fumble recoveries. He added eight interceptions.
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Aaron Wilson covers the Ravens for The Baltimore Sun.