J.D. Martinez homered twice among his three hits and drove in five runs as the Los Angeles Dodgers opened their final homestand of the regular season with an 8-3 victory Monday against the Detroit Tigers.Miguel Rojas added a home run for the Dodgers, who clinched the National League West title Saturday. They won their fourth game in a row.Los Angeles (92-57) is 3 1/2 games behind Atlanta in the chase for the best record in the NL, with the Braves holding the tiebreaker.Lance Lynn (12-11), who is expected to be one of the Dodgers’ top three starters heading into the postseason, allowed three runs — all on a fifth-inning home run by Jake Rogers, in five innings. He gave up six hits and two walks while striking out six.Lynn has served up a major-league-leading 42 homers this year.Four Dodgers relievers followed with one perfect inning apiece.Left-hander Eduardo Rodriguez (11-9) gave up five runs in three-plus innings for the Tigers (70-80), who saw their four-game winning streak end. He departed in the fourth with an undisclosed injury, having yielded five hits and a walk with one strikeout.The Dodgers had a deal in place just before the trade deadline to acquire Rodriguez from the Tigers, but he used his no-trade rights to nix the move.Detroit’s Miguel Cabrera singled in the fifth inning to give him 3,166 hits, tying him with Adrian Beltre for 17th all-time.