Seattle figures to have a tough time against Burnes (9-3, 2.28 ERA), who has won six of his past seven decisions, starting with a 6-3 victory against the Mariners on May 19 in Baltimore. Burnes allowed one unearned run on six hits over six innings, with one walk and 11 strikeouts in that game. He's 2-0 with a 1.59 ERA in two career starts against the M's. Seattle plans to counter with fellow right-hander Bryce Miller (6-7, 3.88), who has lost two consecutive starts. Miller is 0-1 with a 4.70 ERA in three previous appearances against the Orioles, with the lone decision a 9-2 loss May 17 in Baltimore when he gave up five runs (four earned) on six hits in 5 1/3 innings.