The Astros paid dearly for wasting multiple scoring opportunities Saturday night in the 4-2 loss against the Mariners. Brandon Barnes led of the third with a single up the middle. Matt Dominguez followed with a single to left, taking second on the throw to third. Unfortunately for the Astros, Jake Elmore and Carlos Pena struck out and then Jose Altuve lined a shot that righthander Hisashi Iwakuma deflected off his glove then threw him out at first. The Astros threatened again in the fourth. Chris Carter hit a one-out double and reached third on Brett Wallace’s groundout to first. After Justin Maxwell walked, Barnes grounded out to third. “Tonight’s game [...]