Anytime that you get a wrestling maneuver explained by an Olympics silver medalist and three time NCAA champion, it's worth listening to. That's exactly what you get from this single leg takedown video tutorial offered by Barry Davis on YouTube.
The single leg takedown for MMA as explained by Jin Young.
Lots of talk about the standard single leg takedown, but here's a tutorial on how to make the high single leg work.
There are several different ways that you may catch a single leg in wrestling. Carl Adams takes several of them and shows you how to finish in this video.