For the first three months of 2013 the signing of Edwin Jackson looked to be a major issue for the Cubs moving forward. Then July came along. The right-hander who was signed to a four-year $52 million deal last offseason struggled mightily in the season’s first half pitching to an ERA of 5.11 prior to the All-Star Break. Since the Midsummer Classic at Citi Field took place Jackson has made three starts that have been altogether different than his first 18. Although he has managed just a 1-1 record over the three starts his earned run average over that stretch came out to 2.49 nearly three runs lower than in the season’s first half. He has located pitches much more effectively striking out 14 and walking only four in 21 2/3 innings pitched. This is the type of pitcher that Theo Epstein and Jed Hoyer believed they were getting when they inked the journeyman arm to the four-year deal but it should be noted that Jackson never has been and never will be a front-of-the-line starting pitcher. Over his career the 29-year old has compiled a record of 77-82 with an earned run average of 4.42 pitching for the Los Angeles Dodgers Tampa Bay Rays Detroit Tigers Washington Nationals and now – the Chicago Cubs. Opponents have hit .270 against him and he has posted a WHIP of 1.43 far above the mark of premier starting pitchers in the league.