HOUSTON (AP) -- Dallas Keuchel allowed one run and struck out eight in seven innings to become the American League's first 16-game winner and lead the Houston Astros to 8-3 win over the Seattle Mariners on Monday night.Rookie Carlos Correa, who returned after missing four games with a hamstring injury, hit a two-run homer and Jed Lowrie and Hank Conger added solo shots to help the AL West-leading Astros to the victory.Keuchel (16-6), who gave up six hits, improved to 12-0 at home this season and has won 13 straight in Houston dating back to last year to tie a franchise record set by Danny Darwin in 1989-90. Lowrie and Conger homered in the fourth to put Houston up 3-1, before Correa's shot broke it open in the fifth.Vidal Nuno (0-3) yielded seven hits, five runs and tied a career-high with three homers, in six innings. He was filling in for ace Felix Hernandez, whose start was skipped to give him a break. He'll pitch on Saturday in Oakland.Mark Trumbo homered twice for the Mariners, who went 2 for nine with runners in scoring position.The Astros took a 1-0 lead on a sacrifice fly by Evan Gattis in the first inning.The Mariners first hit came on the homer by Trumbo with two outs in the second inning to tie it at 1-1. It was the first home run Keuchel has allowed at home this season and the first in Houston since one by Adrian Beltre on Aug. 10, 2014.Keuchel got into a jam in the fourth when Seattle loaded the bases with no outs. The Mariners came away empty-handed when Franklin Gutierrez grounded into a double play before Trumbo struck out.Lowrie, who also doubled, snapped a 0 for 28 skid with his solo homer that put Houston up 2-1 with one out in the fourth inning. It was his first hit since Aug. 19. Conger connected on a fastball with two outs in the inning, sending it to the train tracks atop the left field wall to push the lead to 3-1.Altuve singled with no outs in the bottom of the fifth before Correa's homer bounced high off the wall in left-center to make it 5-1. Correa, who was the top overall pick in the 2012 draft, leads all rookies in the American League with 16 homersGattis, Carlos Gomez and Lowrie each drove in a run for the Astros in the seventh inning.Robinson Cano grounded out to start the game to snap a streak of reaching base safely in eight consecutive plate appearances.Trumbo added a two-run homer in the ninth inning.