Houston Astros Brett Wallace slides past Minnesota Twins catcher Chris Herrmann to score a run during the first inning of a Major League Baseball game at Minute Maid Park Wednesday, Sept. 4, 2013, in Houston. (Cody Duty / Houston Chronicle)
lessHouston Astros Brett Wallace slides past Minnesota Twins catcher Chris Herrmann to score a run during the first inning of a Major League Baseball game at Minute Maid Park Wednesday, Sept. 4, 2013, in Houston.
... more Photo: Cody Duty / Houston ChronicleLAS VEGAS - Oakland, in need of a primary starting catcher, added free agent Chris Herrmann on a one-year, $1 million deal Tuesday, but the team is still expected to try to come to terms with last year’s everyday catcher, Jonathan Lucroy, on a one-year deal.