SEATTLE — The Astros scored 17 runs during their first seven games of the season. They pounded out 16 Tuesday during a blowout victory against the Mariners. Led by four-hit outings from Jose Altuve and Chris Carter — who added two home runs and three RBIs — the Astros downed Seattle 16-9, recording 22 hits and snapping an embarrassing six-game losing streak. “I was never really concerned,” Astros manager Bo Porter said. “It’s a long baseball season. I’ve been in this game a long time. I’ve played. I’ve coached. And you can never get alarmed in any stretch. It’s like, as well as we played (Tuesday), (Wednesday) you have to [...]