TONKAWA —Cassie Manning and J.D. Ray were named Student Athletes of the Week for Feb. 10 at Northern Oklahoma College. Manning is a freshman from Glencoe, Ray is a freshman from Midwest City. For the week, Manning averaged 16 points, five rebounds, shot 48% from the field (10-21), and 50% from the 3-point line (8-16). “Cassie (Manning) has been a very reliable source of offense for us lately,”…