Mike Napoli pounded a pair of homers and the Texas Rangers went deep six times Tuesday, amassing 21 hits in their 18-3 rout of Boston. Both of Napoli\'s homers were two-run shots and Josh Hamilton finished 3-for-5 with five RBI, including a three-run blast, as Texas cruised to a win in the first contest of a two-game series. Adrian Beltre, Michael Young and Nelson Cruz also socked homers for the Rangers, who improved to 4-0 on the road to start the season. C.J. Lewis (2-0) collected the victory with seven strong innings, yielding two runs on eight hits. He didn\'t issue a walk and struck out seven. Boston ace Jon Lester (0-2) was lit up for seven runs on eight hits in two innings. His ERA in three 2012 starts jumped to 5.82. Dustin Pedroia hit a first-inning, two-run homer for the Red Sox.