Mariners placed LHP James Paxton on the 10-day disabled list with a strained left pectoral muscle.
Entering Thursday with a one-game lead for the second Wild Card spot in the American League, the Mariners now face the possibility of being without their best pitcher for an unknown amount of time.
The Mariners also had the bases loaded with two outs in the third inning, but Jarrod Dyson struck out.
The Mariners regained the two-run advantage with two outs in the bottom of the inning as Seager hit a solo homer to right-center field, his 18th home run of the season.
Gonzales allowed five runs on seven hits over four-plus innings in Sunday's win over the Royals.
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Jose Mourinho admits Manchester United could still sign one more player, but he will not be "crying" if they do not. Manchester United ended up a disappointing sixth overall in 2016-17.
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Samsung is expected to take the wraps off its Galaxy Note 8 smartphone on August 23 at the company's "Unpacked" event. The LG camera phone V30 will be released much before its expected deadline and its blueprint has been leaked online.
Mourinho ready to continue trend of second-year success
The Brazilian also gave his thoughts on the difference between Conte and Mourinho in their approach to football and coaching. This season, however, each of the Premier League's top seven will play in Europe, which Mourinho believes is a leveller.
Okay, I know Miranda has a flawless record against the Halos in his career, but L.A.is thoroughly outplaying Seattle in the first three games of this series and has to be full of confidence after passing the M's and occupying the second wild card spot at the time of this post. The 27-year-old lost to Kansas City in his last outing, when he gave up five runs and eight hits - three homers - in five frames. "He's been really, really good, but we've got to find a way to keep it rolling here".
Nolasco threw a complete-game shutout against the Mariners earlier this year but fell victim to the long ball on Friday.
Reliever Casey Lawrence allowed two runs in the seventh inning, and Tony Zych allowed three more in the eighth inning.
North Battleford's Andrew Albers is going to be in a pennant chase. Albers has pitched entirely in the minors this season.
The Angels, who won Thursday thanks to Trout's three-run ninth-inning double, had rallied to tie 5-5 after the Mariners had led 5-1. Paxton joins fellow starters Felix Hernandez and Hisashi Iwakuma on the DL. Erasmo Ramirez gave up just an unearned run on three hits over six innings of work, not factoring in the decision. Seattle is 10-4 in Miranda's last 14 division starts and 7-17 in their last 24 home games while the over is 6-1 in Miranda's last 7 starts overall.