In the wake of Jason Hammel's complete-game, series-evening one-hitter on Saturday, a pair of rookies will take the mound in Sunday's finale.

Braves' right-hander Randall Delgado will be looking to pitch deep into Sunday's game to rest a bullpen that had to throw 5 1/3 innings on Saturday in support of injured starter Brandon Beachy.

That has been easier said than done for Delgado, a 22-year-old who has completed six innings only three times in 12 starts this season.

Delgado last pitched against the Yankees on Monday, allowing three runs on five hits and a career-high six walks in only five innings.

"Sometimes I gave them too much credit with the strike zone," Delgado said following the start. "I was trying to be perfect on the corner, and I think that was the problem."

Orioles' lefty Wei-Yin Chen has been a pleasant surprise in his rookie season, using superb fastball command to start the year 6-2 with a 3.68 ERA.

After an impressive start, Chen has been looking more hittable of late. He posted an ERA of 2.22 in four April starts but has pitched to a 4.41 ERA since, including giving up four runs on eight hits and two walks in 6 1/3 innings against the Pirates on Tuesday.

Sunday he will attempt to follow in Hammel's footsteps and get back to early-season form.

Orioles: Pearce making early impact
• In nine games as an Oriole, Steve Pearce is 10-for-31 with a home run and nine RBIs.

Pearce was acquired from the Yankees for cash considerations on June 2 and has been a fixture in the lineup with regular outfielders Nick Markakis, Nolan Reimold and Endy Chavez all on the disabled list.

• Brian Roberts is 7-for-22 since returning to the lineup June 12 after missing more than a year due to concussion symptoms.

Braves: Beachy's elbow forces early exit
• Brandon Beachy retired the first 11 batters he faced in Saturday's start before walking Chris Davis and promptly exiting with a sore right elbow.

Beachy's start was pushed from Wednesday to Saturday to rest the sore elbow, but he managed only 57 pitches before he was forced to leave.

• Eric Hinske has only four hits in the 43 days since going 4-for-6 against Colorado on May 4. He is 4-for-54 during that span.

Worth noting
• The Orioles are 123-152 all-time in Interleague Play, including 54-82 on the road. The Braves are 133-116 all-time and 66-64 at home.

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