Email pjfsystem@pjfsystem.com for inquiries pjfperformance.net.brMike Johnson, University of Notre Dame associate head coach and former Xavier University head coach, presents a defensive drill that works on digging and .brFor information on purchasing this DVD, go to: .brFor information on purchasing this entire video, go to: .br this video, Coach McQueen is working with a high school volleyball player to improve her leg strength and .