Astros to allow 50% capacity for games in April
NFL per-game attendance was higher in 2021 than 2019 - NBC Sports
Panthers not allowing fans to attend Saints game
Twins, Saints planning to have (some) fans in seats when seasons start – Twin Cities
Colts have been approved to host full capacity games at Lucas Oil Stadium for the 2021 season
Why the New Orleans Mayor Went to Battle Over Fans at NFL Games - WSJ
Hernández: Raiders open new stadium in Vegas minus fans, much to disappointment of L.A. travelers - Los Angeles Times
Sporting events without crowds? There are countless hurdles before it can happen, Coronavirus
Headed to the Patriots game? Here's what fans need to know about Gillette Stadium's COVID-19 protocols - The Boston Globe