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4/21/2013 2:15 P.M. ET

Wieters puts in extra prep time for Interleague games

BALTIMORE -- If there is any position taxed most by Interleague Play, catcher comes to mind. Those like Matt Wieters have substantially more homework, as they learn about the pitchers they are to face while standing in the batter's box and the batters they must contend with while crouching behind the plate.

"It definitely puts more of a cramming, studying style into the equation," Wieters said. "Guys you've played against a lot, you can piece together information [on] over time. With teams like the Dodgers, the West Coast teams ... you [don't] see them on TV much at all -- because by the time they're playing, you're done and getting to bed."

Just to be clear, the slugger and two-time Gold Glove winner isn't complaining.

"We signed up for all of it," said a chuckling Wieters, who is tied for second on the club with three home runs. "As a catcher, especially, your job is to help put together a game plan that can win. No matter how much time you have, you've got to [put] together your best effort."

Buck not concerned about Dodgers' pitching change

BALTIMORE -- Interleague Play is tricky enough, considering the relative unfamiliarity with National League opponents compared to teams in the American League. Finding out three hours before game time that your foe, in this case the Los Angeles Dodgers, had to change starting pitchers added yet another alien element.

Rather than face Chad Billingsley, the Orioles drew righty Stephen Fife instead. The 26-year-old was called-up from Triple-A Albuquerque on Sunday, as the Dodgers placed Billingsley (right elbow soreness) on the 15-day disabled list.

"We found out about it at 10 o'clock this morning," Orioles manager Buck Showalter said. "It's kind of like the whole Interleague thing. You're scrambling, calling contacts, people that you know."

Recently, the Orioles have scrambled better than most in Interleague Play. Last season, they finished 11-7, matching the best mark in franchise history. The current series against the Dodgers is Baltimore's first against an NL team in 2013.

Showalter made no changes to his lineup, one that included designated hitter Nolan Reimold batting ninth. Reimold drove in three runs during Baltimore's 7-5 victory in Game 1 of Saturday doubleheader, before sitting out the nightcap, a 6-1 Orioles victory. With a win on Sunday, the Orioles would claim their first series sweep since last Sept. 28-30, against the Red Sox.

Fife was 1-1 with a 4.61 ERA for the Isotopes this season. In five starts for the Dodgers last year, he went 0-2 with a 2.70 ERA.

"He pitched well for them last year," said Showalter. "It's one of those curves you get thrown, [you] try to make the adjustment. It usually works in their favor, [but] we'll see."

Worth noting

• Showalter announced that RHP Steve Johnson threw a side session on Saturday in Sarasota. Johnson will next make a rehab assignment Wednesday for Triple-A Norfolk. The 25-year-old has missed the start of the season with a lat injury. In 2012, Johnson made 12 appearances -- including four starts -- for the Orioles, posting a 4-0 record with a 2.11 ERA.

• Dylan Bundy, the Orioles' top pitching prospect, will throw on Monday for the first time since experiencing right elbow and forearm tightness in late March. Showalter said Bundy, the fourth overall selection in the 2011 First-Year Player Draft, would throw from 75-90 feet.

"He's been pain free and symptom free for a while," Showalter said. "They've just been doing some stuff to make sure it doesn't occur again, hopefully."

The O's manager expects Bundy back on the mound sometime next week.

Ben Standig is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.