In the Yankees' fourth game of the season, Rodriguez hit two home runs against the Baltimore Orioles at Yankee Stadium, including his 14th-career grand slam to end the game. The walk-off grand slam was the third of his career, tying the major league mark for game-ending grand slams shared by Vern Stephens and Cy Williams. Rodriguez also began the season by becoming the ninth major leaguer—and first Yankee—to hit six home runs in the first seven games of the season. Rodriguez also became the first Yankee to hit seven home runs in the first ten games of the season.