Riley Greene hit a pair of three-run home runs, Jake Rogers and Spencer Torkelson also went deep and the Detroit Tigers routed the Washington Nationals 11-2 Wednesday in the opener of a day-night doubleheader.Greene has homered in three straight games and has 21 on the season.Zach McKinstry had four hits and Colt Keith added three for Detroit, which has won four of five.Detroit’s Dylan Smith (1-0) pitched 3 1/3 scoreless innings on two hits for the win. Opener Tyler Holton pitched two scoreless innings.Alex Call had three hits for Washington, which went 2-for-11 with runners in scoring position.Trevor Williams (3-10) gave up seven runs on nine hits over three innings as his ERA rose to 6.21. Washington prospect Andry Lara, 22, retired nine of the 10 batters he faced in his Major League debut.Infielder Paul DeJong, in his first game with Washington since being hit in the face by a pitch on April 15, went 0-for-1 with a walk.The Tigers exploded for six runs on seven hits against Williams in the first.