July 14, 2022 11:03 am What is NFL Training Camp? NFL training camp is held prior to the start of preseason and is a mandatory camp for all players. 49ers videos 10:12 Shanahan confirms 49ers linebacker Greenlaw out for rest of season 4:24 49ers star Warner plans to finish final two games of season 3:04 Bosa reveals 49ers' Week 17 mentality despite missing playoffs 0:47 5 things to know about CeeDee Lamb 4:25 Moody compares kicking to golfing ahead of 49ers-Lions matchup
