Astros manager Bo Porter said Thursday he believed third baseman Matt Dominguez was producing good at-bats that were turning into hard outs. Dominguez said the same Saturday prior to a game against the Rangers. Hitting just .224 with a .253 on-base percentage and only 11 walks in 290 at-bats, Dominguez believes he’s recently “swung the bat well” and has been the victim of everything from sharp defense to strong Tampa Bay pitching. “I just need to go back and get confident and really get some good rhythm at the plate and just see it and hit it,” said Dominguez, who has 11 home runs and ranks second on the Astros [...]