Why didn't Ryan Hall use the Imanari Roll against Saul Rogers?

[Bocgam]

I don't think he attempted it once in that fight. Is it something he's employed only lately?

 

[Luger]

He did not even go for the Lobov Roll

 

[Arm Barbarian]

Saul had very good BJJ himself, and was WAY stronger than Hall.

He didn't want to try such a high risk move against another high level BJJ guy.