It isn’t often you have two undefeated high school football teams taking the field to battle one another this deep into the season, but that’s exactly what Bear River and Placer are bringing to the gridiron Friday night. Bear River is coming off a thrilling and eye-opening 24-14 victory over Pioneer Valley League foe Colfax. Through the first six games, the Bruins (6-0, 1-0 PVL) have faced injuries to key players and have overcome deficits on multiple occasions. These tests have strengthened the team. The Placer Hillmen (6-0, 1-0 PVL), on the other hand, have yet to be truly tested …