Rookie right-hander Kevin Gausman, who was eligible to return to the Orioles from the minor leagues Tuesday, is a candidate to start Sunday against the Boston Red Sox, Orioles manager Buck Showalter said.

Gausman, who is 3-2 with a 3.86 ERA in five starts for the Orioles this season, threw a bullpen session Monday at short-season Single-A Aberdeen, and he will have an abbreviated outing for the IronBirds on Wednesday. He last started Friday in the first game of the doubleheader against the Tampa Bay Rays at Camden Yards.

Following the completion of his 10-day assignment in the minor leagues after being optioned, Gausman could have started Tuesday or Wednesday for the Orioles. But Showalter didn’t want Gausman to start on three days’ rest, and he wanted right-hander Chris Tillman to stay on turn.

So Gausman will pitch Wednesday for Aberdeen and then likely pitch Sunday at Fenway Park. Although he’ll again be on three days’ rest, Wednesday’s start is not expected to be much more than a side session in length.

Showalter left open the possibility that left-hander T.J. McFarland also could start Sunday if he excelled Tuesday in his spot start.

“What I’m hoping is that Mac pitches real well [Tuesday], and we have a good problem,” Showalter said. “We have to be prepared to go either way.”

Left-hander Wei-Yin Chen will start Thursday, right-hander Miguel Gonzalez on Friday and right-hander Ubaldo Jimenez on Saturday.

Around the horn

Right-hander Bud Norris, who is on the 15-day disabled list with a strained right groin, said he will toss a bullpen session Wednesday. … Infielder Jemile Weeks rejoined Triple-A Norfolk. He had been at Aberdeen in case the Orioles needed an extra infielder while Manny Machado is suspended. … Norfolk right-hander Suk-min Yoon, on the disabled list with a shoulder impingement, will be examined by Jacobs on Wednesday … Showalter said the Orioles decided not to sign 40-year-old left-hander Mark Hendrickson, who tried out for the club last week. He will continue to pitch for the York (Pa.) Revolution of the independent Atlantic League … The Rangers designated former Orioles left-hander Joe Saunders for assignment after he allowed four homers Monday at Camden Yards. … Ravens wide receiver Torrey Smith took pregame batting practice Tuesday. … Young will sign autographs at the Orioles team store at the York Galleria in York, Pa. from noon to 1 p.m. Wednesday. … Norfolk right-hander Josh Stinson allowed five earned runs in one inning, and left-hander Randy Wolf allowed seven runs (five earned) in two innings Tuesday in the Tides’ 15-11 loss at Rochester. … Outfielder Nelson Cruz turned 34 on Tuesday.

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