The Sounders fall to 4-1-1 at home and L.A. improves to 3-3-2 on the road.
Mariners third baseman and top prospect Colt Emerson made his major league debut and reached base for the first time.
The Seahawks open their season at home against the Patriots in one of six primetime matchups for Seattle.
Luis Castillo (1-4) earned his first win of the year.
WWU edged Cal State East Bay to open the NCAA D-II West Regional with a win.
The Sounders (7-1-3) are third in the Western Conference with 24 points.
J.P. Crawford and Luke Raley hit solo home runs for the Mariners.
Bryce Miller is making his season debut against the Astros on Wednesday night.
It’s Seattle’s ninth straight win over the Astros, which extends a franchise record.
Former Gonzaga star and Memphis Grizzlies veteran Brandon Clarke has died of a suspected drug overdose.