This excerpt from Tony Jackson's piece for ESPNLosAngeles.com today on James Loney, Matt Kemp and Andre Ethier got me thinking about Loney:The lefty-hitting first baseman has never hit more than 15 home runs in a season and hit only 10 of them in 2010, but he had a career-high 41 doubles and drove in 88 runs, his third season in a row with at least that many RBIs. Still, general manager Ned Colletti and manager Don Mattingly continue to insist that Loney is a potential power hitter, and they remain determined to get him to reach that potential.But Loney has now spent five seasons in the majors, enough to make an outsider wonder if this is simply who Loney is: a gap-to-gap, line-drive, doubles hitter who manages to drive in a lot of runs and still be reasonably productive without going