Yanks mash 49th HR vs. O's to break MLB mark

BALTIMORE -- The Bronx Bombers are doing their best bombing in Baltimore.

In the same city where Francis Scott Key famously penned "The Star-Spangled Banner," the New York Yankees hit their 49th home run against the Baltimore Orioles this season, breaking the record for most by a team against a single opponent in one season.

The record breaker came in the top of the fifth inning Wednesday night at Camden Yards, when Gio Urshela sent a 97 mph sinker from reliever Miguel Castro over the left-center-field fence for a two-run shot.

Earlier in the game, catcher Kyle Higashioka went deep off starter John Means to tie the record. The previous mark was held by the 1956 Yankees, who hit 48 homers…