Four-star senior cornerback Jaycee Horn of Alpharetta (Ga.) High School announced Sunday afternoon that he has decommitted from Tennessee.

The 6-foot, 174-pound Horn, who had been committed to the Vols for more than three months, made his decision known after reports started to surface Sunday afternoon indicating that Tennessee is nearing a deal to make Ohio State defensive coordinator Greg Schiano its next coach.

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"I want to thank Coach (Butch) Jones and the staff for giving me the opportunity to play at such a great university," Horn wrote in a note posted on his Twitter account. "I also want to thank the fans for always rooting for me and (their) endless support. This is one of the hardest decisions I've made, but ultimately I have to make the best decision for me.

"With that being said I've decided to De-commit from the University of Tennessee and open up my recruitment."

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Horn, who's the son of former NFL wide receiver Joe Horn, had continued exploring other options since announcing his commitment to the Vols on Aug. 24, taking visits to Clemson, South Carolina, Georgia, Alabama and Ole Miss.

Tennessee now is left with 16 known commitments for the 2018 class, including two cornerbacks: three-stars Brandon Cross and Tanner Ingle of Orlando, Fla.

The younger Horn is ranked the No. 217 overall prospect and No. 23 cornerback in the 247Sports Composite for the 2018 class.