Mark Purdy: Yoenis Cespedes is beacon of hope for Oakland A's

Mark Purdy: Yoenis Cespedes is beacon of hope for Oakland A's: It would be such a welcome tonic for the struggling A's if Cespedes, signed out of Cuba last month for $36 million over four years, can tickle the Bay Area's sports/entertainment fancy for even just a few weeks. I am also ready for it because Cespedes ...