One of two Mercer County football teams still alive in the playoffs, undefeated Hopewell Valley is projected by our prognosticator to beat Seneca Friday night. FRIDAY Seneca at HOPEWELL VALLEY: Hopewell’s Luke Caldwell one of the best three-sport athletes in the history of the school. ST. JOHN VIANNEY at Notre Dame: Irish hoping to avenge recent losses to SJV in showdowns for the No. 1 softball ranking in the state. Belmont Charter at MORRISVILLE: Award-winning Mo’ville  band receives standing ovation from SRO crowd. LANSDALE CATHOLIC at Bristol: The fact many of Bristol’s wins have been secured by half time could hurt here. SATURDAY CONWELL-EGAN vs. Simon Gratz: PCL teams rarely lose to PPL teams. BLAIR at Peddie: This is the oldest football rivalry in the state. Hill at LAWRENCEVILLE: Starting in 1887, fdethis is the fifth oldest football rivalry in the nation. Last week: (10-2) .833 Season: (185-50) .786