When she gets up to top speed, jet-quick guard Aari McDonald of Arizona is an unstoppable force on the basketball court.
Lately, and somewhat improbably, the Oregon women's basketball team has become an immovable object in its own right.
The two are on a collision course, and will meet Friday in Matthew Knight Arena (6 p.m., Pac-12 Network). The UO women will look to extend an eight-game winning streak that's been fueled by lockdown defense and transition offense, while McDonald brings into the showdown an NCAA-best streak of 58 games with 10 points or more.
Oregon (20-2, 9-1 Pac-12) enters Friday ranked No.