The Arizona Diamondbacks acquired starting pitcher Mike Leake from the Seattle Mariners on Wednesday in exchange for 22-year-old infielder Jose Caballero, according to a source. Arizona will pick up only $6 million of the remaining money owed to Leake. The 31-year-old nearly had a perfect game several weeks ago, but he's also 9-8 with a 4.40 ERA and 1.26 [...]