Column: As training camps open, NFL doubles down on vaccines

              FILE - Jacksonville Jaguars tight end Tim Tebow, left, performs a drill during an NFL football team practice in Jacksonville, Fla., in this Thursday, May 27, 2021, file photo. Tebow will open training camp Wednesday, July 28 as Jacksonville’s fourth- or fifth-string tight end, not all that surprising given he’s closing in on his 34th birthday, started playing the position five months ago and is trying to return to the NFL after spending the previous five years in the New York Mets’ organization. (AP Photo/John Raoux, File)
              FILE - Indianapolis Colts head coach Frank Reich watches during NFL football practice in Indianapolis, in this Thursday, May 20, 2021, file photo. Reich will miss the start of training camp after testing positive for COVID-19, general manager Chris Ballard announced Monday, July 26, 2021. (AP Photo/Darron Cummings, File)