Jackson distributed 10 assists while Johnson added nine rebounds and eight assists as Memphis (21-3, 10-0 C-USA) breezed to its 15th straight win.
Adonis Thomas helped out with 17 points in the victory.
The Knights (17-7, 7-3) lost despite 17 points from Isaiah Sykes.
Gal Gadot cast as Wonder Woman for 'Batman vs. Superman'
Benedict Cumberbatch's dramatic reading of R. Kelly lyrics is just what you need