HIGH SCHOOLPrepXtra: East Tennessee 7 on 7Alcoa players leave the field at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelCorbin's quarterback lines up a pass at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelGreenback (orange) and Webb (green) play at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelPeople watch from the bleachers at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelSequoyah and CCHS play at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelCups litter the sidelines at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelA Corbin player lies in the grass injured at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelGreenback (orange) and Webb (green) play at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelA Faragut player reacts to a play at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelHeritage and Oak Ridge play at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelHeritage huddles at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelMaryville's Dylan Hopkins throws a pass at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelSouth Doyle and Maryville play at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelPeople watch from the sidelines at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelOak Ridge's Jeremy Mitchell walks the sidelines at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelSouth Doyle and Maryville play at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelPeople watch the games at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelPlayers watch from the sidelines at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelSequoyah's John Douglas Wiggins lines up a pass at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News SentinelAn Oak Ridge player watches from the sidelines at the East Tennessee 7 on 7 Perimeter Passing Day at Maryville College in Maryville, Tennessee on Saturday, July 15, 2017. Thirty-four schools have committed to the event, which matches teams up into pools and allows each to practice their passing game for the upcoming season.Calvin Mattheis, Knoxville News Sentinel