Koysta Tzyu vs Zab Judah comes to mind. Zab had as much hand and foot speed as anyone ever at 140 but Koysta's timing took it all away.
I re-watched Witherspoon - Bruno last night. Here was Frank Bruno, body beautiful, well-trained, having success early on. But Tim Witherspoon was more relaxed and and relied on his natural abilities, and eventually broke Bruno down.