FILE - In this July 31, 2019, file photo, Indianapolis Colts outside linebacker Darius Leonard (53) runs a drill during practice at the NFL team's football training camp in Westfield, Ind. Leonard works relentlessly at his rural South Carolina home to prepare for another football season. He's also wary of pushing too hard, knowing a minor injury could become a major setback given the dearth of medical experts in his area. So when in doubt the Colts star confers with his coaches, who are creating safer, more efficient individual workout programs based on data collected the past few weeks. All part of a changing NFL world: high-tech devices supplanting old-school creativity. (AP Photo/Michael Conroy, File)

FILE - In this Dec. 29, 2019, file photo, Indianapolis Colts head coach Frank Reich answers a question by a reporter during a news conference after an NFL football game against the Jacksonville Jaguars in Jacksonville, Fla. Teams can conduct classroom instruction and on-field activities through Zoom meetings or similar apps instead of at their facilities . They can meet virtually as much as four hours per day, four days per week. “We are getting a ton done," he says,“with the technology today. "(AP Photo/Phelan M. Ebenhack, File)