Just saw this from the Twins. Barring any crazy shift on the pandemic, I can't see TCF not being full capacity.
For the 12 Twins home games scheduled between May 14-30, Target Field will operate at up to 60 percent; for the club’s 12 home contests in June, there will be up to 80 percent capacity; lastly, beginning on July 5, Target Field will have full, 100 percent capacity for the Twins’ final 40 regular season home games of 2021. Tickets for the final 52 scheduled regular season home games, beginning June 8, will go on sale to the general public beginning at noon CT on Thursday, May 20. Please note that all planned capacity changes are subject to change, per future public health guidance.