Hunter Brown is starting for the Astros in this game and he is 7-6 with a 4.39 ERA this season. He has been pitching much better in his recent starts as he has allowed 2 earned runs or less in 6 of his last 7 starts. He has faced the Mariners twice this season as well and he has only allowed 3 earned runs in a little over 10 innings pitched between the 2 starts. Luis Castillo is starting for the Mariners in this game and he is 8-9 with a 3.53 ERA this season. He has only allowed 1 earned run in his last 2 starts combined, but prior to that he allowed at least 3 earned runs in 3 straight starts which will get him into trouble here against an Astros offense that has been heating up recently and pushing to overtake the Mariners in 1st place. Castillo faced the Astros earlier this season, only allowing 2 earned runs in 6 innings, but the Astros were a team that he struggled with last season and this is the chance for the Astros to close the gap in the AL West. The Astros will win this game.