Imani Wimbush scored a game-high 15 points to lead the Rams to a 41-36 win over Tigers to claim the OIA White division title.
Radford opened the second half with an 8-0 run to take a 28-16 lead, but McKinley chipped away at the margin, eventually closing to within 4 with under 2 minutes to play.
Sybill Coryell led the Tigers with 10 points, including 2 three-pointers.