Gary A. Vasquez/US PresswireMatt Guerrier (33)The setup: We set the stage pretty clearly when Guerrier signed a three-year, $12 million contract with the Dodgers in December ...... Guerrier, who came up with the Minnesota Twins in 2004, has had a pretty fine career as a reliever, with a career ERA of 3.38. He has averaged 75.5 appearances the past four years. But the 32-year-old righty's strikeout rate has dropped below six per nine innings over the past two seasons, and as Eric Stephen of True Blue L.A. points out, his fielding independent ERA was over 4.00 last season, indicating he's benefited from some luck. Add to that a batting average on balls in play over the past two seasons of .224, which is exceedingly lucky — and a warning sign considering that, as David Pinto of