At 8:30 p.m., it's time for a Western showdown between the Carolina Chaos and California Redwoods. Quint Kessenich and Paul Carcaterra have studied the matchups in depth, and they identify the X factors in each game along with their predictions on who will advance. play 0:42 Philly's CJ Kirst nets an unbelievable behind-the-back goal Philly Waterdogs attackman CJ Kirst scores a must-see goal against the New York Atlas. Kessenich: Two X factors in this game will be catalyst midfielders Andrew McAdorey (Redwoods) and Ross Scott (Chaos). PredictionsCarcaterra: California has the league's leading goal scorer in Dylan Molloy, and the second-leading goal scorer in rookie Chris Kavanagh.