Powerful Charger pulls upset; Tetrick wins four at Dover Wednesday, March 11, 2015 – by Marv Bachrad, publicity director, Dover Downs Wagering favorites, Tough Mac and newcomer Sevruga finished off the board after Powerful Charger roared down the lane for his third win of the year in his last four starts. Tim Tetrick and Jim King own the 7-year-old altered son of Powerful Emotion-Fox Valley Poetry who set a lifetime best clocking of 1:53.4 winning for the 25th time upping his career earnings to $405,840.