Maholm, who joined Atlanta from the Chicago Cubs last season, opened 2013 with 5 2/3 scoreless innings of sixhit ball with six strikeouts in a 92 win over Philadelphia on April 3.The 30yearold was a firstround pick of the Pittsburgh Pirates in 2003 and pitched with the Pirates through 2011. He joined the Cubs to start 2012 and was 96 in 21 games for them last year before going 45 in 11 starts with the Braves.Maholm had two wins and a nodecision in three starts against Miami in 2012 while allowing just three runs on 14 hits in 21 1/3 innings.He opposes Texasborn righthander Kevin Slowey, who debuted with a toughluck 30 loss at Washington after allowing four hits and a run in 5 1/3 innings.Slowey was a secondround pick of the Minnesota Twins in 2005 and was with the team through 2011 before being traded to the Colorado Rockies in December 2011. He was then dealt by Colorado to Cleveland a month later and made eight starts in the minors, going 33 with a 5.14 earned run average at Trip