By Mike McDaniel The lease at Oakland Coliseum runs through 2024. View the original article to see embedded media. Major League Baseball commissioner Rob Manfred told Chris “Mad Dog” Russo on Saturday that he’s “no longer optimistic” that the A’s will remain in Oakland,per USA TODAY’s Bob Nightengale. “I think the mayor in Oakland has made a huge effort to try to get it done in Oakland,” Manfred said. “It just doesn’t look like it’s going to happen.” If the A’s do leave Oakland, Manfred mentioned that Las Vegas would be the most likely move for the team. “I think the A’s have proceeded prudent…