(Kansas City, MO) -- Chris Parmelee hit a three-run homer and Joe Mauer added a grand slam as the Twins edged the Royals, 8-7, to sweep a doubleheader. Anthony Swarzak earned the win in relief while Glen Perkins notched his 10th save. In the opener, Minnesota edged KC, 3-1. Cole De Vries tossed six-and-two-thirds innings one one-run ball to get the win while Perkins notched the save. Justin Morneau plated a pair in the victory. The series wraps up this afternoon as Esmerling Vasquez takes the mound against Luis Mendoza.