Most of the Astros showed up at O.co Coliseum in jeans Thursday morning for the series finale, just as righthander Jarred Cosart predicted they would the previous night. Bo Porter lets the players wear jeans when they win a series, and they clinched the three-game series by winning the first two. “Doug Brocail comes in (Wednesday) and this is when you know you’re making progress,” Porter said. “Jarred Cosart shows up to the park yesterday and the first thing he says to the pitching coach, he said, ‘We’re going to wear jeans tomorrow.’ And we’re going to know tonight. We’re not coming here tomorrow with jeans trying to figure out. [...]