Hefner got roughed up by the Nationals in his last start against the Nationals when he allowed five runs in five innings, including two home runs. Overall, Hefner is 2-4 with a 5.63 ERA in seven starts for the Mets this season, having allowed six home runs in only 38 1/3 innings in that role. Hefner is making his first career appearance against the Astros today.
Lucas Harrell (10-9, 4.07 ERA) will start for the Astros today.
In what has been a dismal season for the Astros in 2012, Harrell has collect 25 percent of their entire win total so far this year. The Cardinals roughed Harrell up for six runs in only five innings in his last start, but he's pitched to a 2.96 ERA over his last eight starts. Harrell is making his first career appearances against the Mets today.