Josh Lowe rapped his first career leadoff home run, Jake Mangum was 3-for-4 with a double and three RBIs, and the hot Tampa Bay Rays throttled the visiting Baltimore Orioles 7-1 in a four-game series opener on Monday night. Brandon Lowe slugged a two-run homer in a 2-for-5 night. Jonathan Aranda, Junior Caminero and Christopher Morel had two hits and a double apiece as the Rays posted 14 hits.