Kirk is not in the Blue Jays' starting lineup against the Orioles on Sunday.
Sheehan is slated to start Sunday's game in Miami, Bill Plunkett of The Orange County Register reports.
Betts went 1-for-3 with a solo home run, a walk and a stolen base in Saturday's 4-3 loss to the Marlins.
Glasnow (4-1) took the loss against the Marlins on Saturday, allowing four runs on five hits and four walks with seven strikeouts over four innings.
Kirk went 2-for-4 with a home run and three RBI in Saturday's 7-3 win over the Orioles.
Arrighetti (8-9) picked up the win in Saturday's 7-3 victory over the Orioles, allowing one unearned run on two hits and two walks over 2.2 innings of relief. He struck out two.
Sasaki (finger) could return as early as Thursday against the Reds, Katie Woo of The Athletic reports.
Freeman (knee) will start at first base and bat second Saturday against the Marlins.
Smith isn't in the lineup for Saturday's game against Miami.
Straw isn't in the lineup for Saturday's game against the Orioles.
