On Hump day the MLB Power system Play is on the Washington Nationals Game 954 at 7:10 eastern. The Nationals fit a powerful system here tonight and have a big pitching edge with Gonzalez over De la Rosa. Gonzalez has won all 4 starts vs Arizona and has allowed just 3 earned runs in 20 home innings agains them. He has excelled vs losing teams in his career and he takes on a Arizona team that has lost 9 of 11 vs winning teams . Washing ton is 11-4 on hump day. De la Rosa has a 5.14 road era and Gio Gonzalez is 7-1 here with a 2.50 era. Look for Washington to get the win.