The Oakland Athletics optioned outfielder Cristian Pache to Triple-A Las Vegas on Thursday and also placed infielder Jed Lowrie (shoulder) on the injured list. In corresponding moves, Adam Oller was optioned to Las Vegas, infielder Vimael Machin was called up, right-hander Adrian Martinez was called up to start against the Seattle Mariners on Thursday and Skye Bolt was reinstated from the injured list. Pache needs to work on his swing down in the minors after hitting .159 with two home ...