WWU will be in action Wednesday through Saturday at Azusa Pacific (April 18-20) and Long Beach State (April 20-21).
Miranda, 29, will be making his 2018 Mariners debut tonight against the Houston Astros.
The Vikings are 12-26 on the season and in 7th place in the GNAC with a 6-13 league record.
Hatch coached the Mariners from 1980 to 2015 winning 532 games and three state championships.
James Paxton allowed a leadoff homer to George Springer in the first inning but was solid after that, striking out seven over six innings.
Vikings will play Montana State Billings on Friday at Concordia University in Portland starting at 6pm.
Leads Everett to Western Conference Championship for first time in 12 years
Davis will enter his second season as a presumptive backup to Russell Wilson. Davis was a one-time starter with the Rams.
Ethridge is one of the most decorated women’s basketball players in the nation and has been a Division I coach for the past 27 years.
Seattle is now 0-3-1 to start the season.