As the Philadelphia Phillies try to win their fourth straight series against the Colorado Rockies, they have made an interesting addition to their roster. Things have been going quite well for the Phillies following the decision to fire Rob Thomson , and Don Mattingly has been hitting some of the right buttons. While there is a long way to go before getting back into contention, Philadelphia has done a nice job of getting closer to the .500 mark. When looking at one of the reasons for the struggles of the team, the offense has been a hot topic, especially against left-handed pitching.…