High Point guard Chase Johnston’s first two-point make of the season could not have come at a better time. Johnston, a 3-point specialist who has attempted just four shots inside the arc this year, converted a wide-open layup to seal No. 12 High Point’s 83-82 upset win over fifth-seeded Wisconsin on Thursday in a West Region matchup. After receiving a pass from teammate Rob Martin, Johnston did not do anything flashy on the fast break, simply finger-rolling the ball in with 11.7 seconds left. “