Clubs going in opposite directions with Houston having won five straight to take over the AL West lead and Texas having dropped four in a row. The Rangers are also four games under .500 away. Kumar Rocker is 0-2 this year vs. the Astros with a 9.28 ERA and .279 OBA in two starts spanning 10.2 innings. On the other side, Peter Lambert just had a 1.88 ERA in five July starts and is 1-1 with a 4.50 ERA vs. Texas -- but the Rangers are hitting only .143 off him. Josh Hader pitched Saturday but only a handful of throws so he should be available to close if needed.