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With Larry Fitzgerald, Michael Floyd, and John Brown topping the depth chart at receiver, it was difficult for J.J. Nelson to do much in his rookie year. That could change in 2016.

Via the Associated Press, the fifth-round pick in 2015 is making a great impression during offseason workouts.

“I feel like [last season] was a confidence builder,” Nelson said. “Going in really not knowing what to do, as the season went along I felt like I got really confident and pretty good at knowing what I was supposed to do out there.”

What he’s supposed to do is run really fast. Which makes up for the fact that he’s 5-10 and weighs a mere 160 pounds.

“I know this guy is bigger than me, so what do I have as the advantage over him? So if he’s a bigger guy, I feel like I can use my speed,” Nelson said.

Coach Bruce Arians likes what Nelson can do, especially when the football is flying through the air in his direction.

“He has a very unique skill in tracking the ball that the great ones have when the ball’s coming over your opposite shoulder,” Arians said, via the AP. “When you have a little fast guy that can do that, you have a special one.

“Every day, he’s making a big play or two. Getting a little bit stronger. He might be a buck-61 right now. We’re going to try to get 4 more pounds on him.”

They’d surely like to get a lot more than four receptions on his stat sheet. As a rookie, Nelson caught a mere 11 passes for 299 yards and two scores, appearing in 11 games with two starts. It will be harder to keep him off the field in 2016, which means that one of the other established wideouts will end up being less established, sooner or later.