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8/19/2014 12:31 A.M. ET

Markakis' jaw-dropping grab saves O's

CHICAGO -- It takes a lot to get manager Buck Showalter overly excited, but Nick Markakis' leaping grab over the right-field fence on Monday night did the trick.

"The game Markakis had, are you kidding me?" Showalter said of his outfielder, who robbed Conor Gillaspie of a two-run homer, then hit one of his own the following inning. "Really?"

"I didn't see a whole lot of it. I saw the tail end of it, and I said to myself, 'He caught that?' That was big."

The disbelief was a familiar response following Markakis' jaw-dropping grab in the seventh inning, which kept the White Sox from taking the lead and helped the O's secure an 8-2 victory.

"I saw him tracking it. I knew he had a play on it," starter Bud Norris said of the deep fly ball. "I didn't think he was going to go over the fence for that."

But Markakis, who ran and perfectly timed his leap over the fence, thought he had a shot the entire way.

"Just positioned myself where I thought the ball was going to land," Markakis said. "I was going after it, doing everything I can to catch it, especially with the situation in the game. The way Bud was pitching, you have to do everything to catch the ball."

Markakis' grab ensured the Orioles would stay on top, 3-2, and they responded by scoring five runs in the top of the eighth.

"We were a great outfielder away from potentially winning that game," White Sox starter Chris Sale said.

Brittany Ghiroli is a reporter for MLB.com. Read her blog, Britt's Bird Watch, and follow her on Facebook and Twitter @britt_ghiroli. This story was not subject to the approval of Major League Baseball or its clubs.