Two months before the Super Bowl, the omicron surge was decimating NFL rosters as players tested positive for covid-19. In mid-December, the NFL postponed a game between the Los Angeles Rams and the Seattle Seahawks because the Rams, who would go on to win the Super Bowl, had 29 players out with covid. The number of NFL employees testing positive per week in December went from about 30 to about 300, most of them players who would have to sit out of practices and games. The new variant “hit us like a ton of bricks,” said Dr. Allen Sills, chief medical officer for the NFL. Dr. Thom Mayer, medica…