FILE - In this Sunday, May 30, 2021  file photo, A capacity crowd at TD Garden waits for the tip-off of Game 4 between the Boston Celtics and the Brooklyn Nets during an NBA basketball first-round playoff series in Boston. TD Garden announced Wednesday, Sept. 22, 2021 that beginning Thursday, Sept. 30, 2021 it will require visitors 12-years-old and older to provide proof of full vaccination or a negative test for COVID-19 to be allowed entry. (AP Photo/Elise Amendola, File)