Colts CB Davis out against Browns with concussion

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Indianapolis, IN ( - Indianapolis Colts cornerback Vontae Davis is one of four players ruled out for Sunday's game against Cleveland.

Davis suffered a concussion in Sunday's 49-27 win over Washington and was absent from practice all week while following the league's concussion protocol.

The six-year veteran has totaled 32 tackles, three interceptions and one forced fumble over 12 starts this season.

Offensive tackle Xavier Nixon (foot), linebacker Andy Studebaker (hamstring) and guard Hugh Thornton (knee) will also not play on Sunday.

Safety Mike Adams (back), cornerback Jalil Brown (ankle) and return specialist Josh Cribbs (knee) were all listed as questionable.