The first three rounds were okay, then Mayweather knew what he had to do, and his dancing away got boring real fast.
The best boxing match I've seen in quite a while was just a few weeks ago, very evenly matched (and called a draw) but the contrasting styles were mesmerizing to watch.
2015 BOXING fight –
Andy Lee vs Peter Quillin – full fight Video
Andy Lee vs Peter Quillin - full fight Video 2015 result
Quillin vs Lee - April 11th PBC on NBC - Full Fight
https://www.youtube.com/watch?v=MYGVkXyPBUQ