Clapp (6-2 ½, 235, 4.59) is considered as one of the nation's top fullback prospects. He rushed for 1,000 yards as a sophomore, then had 1,602 yards and 18 touchdowns as a junior.
"The campus and the coaching staff stood out," Clapp said. "The stadium was nice and big and beautiful. It was awesome. It was kind of shocking. The coaching staff was helpful. The atmosphere seemed nice. I really liked it that."
Clapp has not been offered by Ohio State, though he puts the Buckeyes in his early top five along with Oklahoma, Miami (Fla.), Arizona and Nebraska. Oklahoma and Arizona have offered.
"I got to meet the running backs coach (Dick Tressel)," Clapp said. "We didn't get to talk too much about recruiting. He seemed like a nice guy. He helped me out during certain drills. He called my coach last week. He said they want to see two of my game films before they make a decision."
Regarding Oklahoma, Clapp said, "I like everything there. The coaching staff is awesome. The facilities are nice and the stadium is nice. I liked Norman. It's kind of a quiet town. All of the coaches there are cool. I met (assistant Chuck) Long."
Clapp lives near Phoenix, which is about 90 minutes from the Arizona campus in Tucson. There, Mike Stoops is starting to rebuild the UA program.
"It was pretty exciting down there," Clapp said. "They seemed real intense. They know what they want to accomplish. They want to turn that program around. They know what they're doing."
Clapp talked about his abilities as a fullback.
"I think most everybody is looking at me as a fullback/H-back kind of guy," Clapp said. "I think with my power, I can run over guys. I think I also have really good vision. I think my agility is pretty good for a guy my size. I think I do a good job of finding my blocks and hitting the hole pretty hard."
Paradise Valley coach Donnie Yantis on Clapp: "He is the hardest worker in our program. He is extremely dedicated to being the best. He is a durable player and is very coachable."
Clapp holds a 2.7 GPA and scored a 17 on the ACT.