A quarterback swivels his head, scanning for holes between defenders. A hitter watches a pitcher's curveball, timing its break over the plate. They do it all without another person or a field.
Numerous athletes — from the amateur to professional level — now use virtual reality to supplement live practice. Using software such as Eon Sports VR's Sidekiq, players can simulate full-speed games with only a headset and a smartphone.
Purdue University on Monday became the latest football program to partner with Kansas City-based Eon, planning to use virtual reality to train quarterbacks. Eon said it now works with the National Football League's Tampa Bay Buccaneers and six college football teams.