The Vols picked up four football commits over the weekend, and received another on Monday.
Three-star punter Tommy Townsend tweeted: "Just committed to the University of Tennessee! It's an honor and a blessing! #Go Vols."
Townsend is out of Boone High School in Orlando, Florida.
Rivals has him listed as 6-1 and 175 pounds.
The Class of 2015 now has 18 commitments.