Jones used a heavy wrestling approach on Bader, Vera, Chael, and a few others. Jones tends to grapple the grapplers, unless he's up against wet noodle like TDD like Shogun. Rashad and Jones were about equal in the grappling department, but Jones had the reach, size, and was more verstile striking wise.
Though, Jones kinda used clinch work and the cage against DC and Glover, because he's strong there, too, so Jones can be a pressure guy depending on the fighter. Arguably, he's been using the clinch more since he fought Gus.
We've always known him to do trips and sweeps from there in the past, but "frequent" inside elbows and punches from there is relatively recent, but quite effective for him. DC made adjustments in the second fight, but Jon had a plan for that it seems.
DC had a lot of success against Gus on the inside. I don't think Jones would have missed that piece if Jon and Gus were to fight again. Jon was also punishing Gus later on in the fight with inside elbows. The grappling wasn't working, but those elbows...
Jones would possibly shoot on Rumble to mix things up, but I don't think that would be his main approach. Jon would strike with Rumble for a bit, probably go for the legs with kicks, survive the swarm, attempt to catck kicks, and look for a way to clinch up to do damage and/or bring it to the fence for more damage or a TD.
Gus didn't know what to do when Rumble was Teeing off on him from inside, Jon would have tied Rumble up like a boa constrictor to prevent further damage and look to return fire of his own. Jon knows how to stave off certain doom and fight through. I think that's one of his better qualities.