Auburn got its 15th commitment for 2011 when Keymiya Harrell, a defensive end from Plantersville, Ala., said he'll sign with the Tigers in February, according to several recruiting websites.
The 6-foot-5, 235-pound Harrell chose the Tigers over Tennessee and Mississippi State.
Scout.com ranks Harrell as a three-star recruit, the No. 50 defensive end in the nation. Rivals.com does not have him ranked.
Harrell made 75 tackles and nine sacks as a junior for Dallas County High, according to Scout.
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He is the third defensive lineman in the class, joining end JaBrian Niles of Mobile, Ala., and tackle Angelo Blackson of Bear. Del.