Jackson helped limit Brown to four catches — equalling his season-low — on 10 targets for 65 yards.
He was especially strong defending a couple of deep balls, which is one of the reasons the Bengals used their 2016 first-round pick on him.
Follow Jay Morrison on Twitter
“I’ve got long arms, so I can ease off of them a little bit and knock it down,” said Jackson, who missed all of his rookie season with a chest injury.
“I wanted to show them I can compete with the best of them,” he added. “I expect to play well against anybody, not just Antonio. He’s just another receiver. No big deal.”
›› Sloppy tackling plagues Bengals in loss to Steelers
According to Pro Football Focus, Pittsburgh quarterback Ben Roethlisberger had a passer rating of 39.6 on his six targets against Jackson.