Orioles right-hander Jason Hammel, who returned to the club Sunday after two days away with a stomach virus, said he is doubtful he will be able to make his scheduled start Monday against the Tigers in Detroit.
Manager Buck Showalter said a decision on who will start that game will be made after Sunday's series finale against Boston.
"He feels obviously a lot better than he did," Showalter said. "We've got some things in place. A lot depends on how we get throw the day today, so we've got two or three ways to go. There's a potential for us to give him an extra day and push him to Tuesday, but we could pitch him tomorrow. Let's just see how things go today."
If Hammel can't start Monday, left-hander Zach Britton could be an option, allowing the team to push Hammel back a day to fill an open rotation spot made when the team optioned right-hander Kevin Gausman to Triple-A Norfolk following Thursday's game.
Britton was scratched from his scheduled start at Triple-A Norfolk on Sunday. Britton has made two previous starts against the Tigers, both at Comerica Park, and is 2-0 with a 3.75 ERA over 12 innings.
Right-hander Jake Arrieta, who was called up Friday at an extra bullpen arm, would be another option if he doesn't pitch Sunday. Arrieta hasn't appeared in a game in a week and has posted good numbers, albeit in a small sample size, against Detroit (1-0, 1.46 ERA, 12 1/3 IP).
"We will try to win the game today with whatever bullets are available," Showalter said. "But we do have to get ahead of it and make sure we have some things in place to allow us to have some things to pick from, some of which we could have taken away from us today by how we use our bullpen."
Hammel said his arm feels fine, but he probably needs to regain the strength in his legs after losing fluids and being bedridden for the past two days. He was scheduled to throw before Sunday's game, but Hammel said the team trainers would likely want to see him go through multiple throwing days before starting.