Joey Lucchesi allowed four runs on five hits, also walking four, over five innings in a loss to the Diamondbacks on Sunday.
Archie Bradley got the last four outs of Sunday's win over the Padres, earning his second save of the year.
Mariners acquired RHP Edwin Quezada from the Diamondbacks for international bonus slot money.
Khris Davis went 2-for-4 with four RBI, including a go-ahead, three-run home run in the eighth inning, to lead the Athletics past the Red Sox 4-1 on Sunday.
Brock Holt hit an RBI double in Sunday's loss to the Athletics.
Marcus Semien went 2-for-4 with two runs scored in a win over the Red Sox on Sunday.
Stephen Piscotty went 2-for-4 with a run scored in Sunday's win over the Red Sox.
David Price pitched well for seven innings but stumbled in the eighth, allowing nine hits and four runs over 7 2/3 innings in a loss to the A's on Sunday.