"He's had a great summer and physically he's in great shape," said Pelini. "How he picks it up mentally, how mature he is, how he handles the transition into practice and everything – we will see.
"On the surface he's a talented young man."
Jackson was not cleared by the NCAA Clearing House in the summer/fall of 2011, but chose to forgo the junior college route and work on his academic situation.
In May, shortly after qualifying, Jackson told Big Red Report he was in shape and felt he could make a push for playing time if he worked hard and was patient.
"I do the same drills that I was doing in high school," said the former No. 2 cornerback in the country. "I have been working out my whole life, so why stop now since I have had a piece of success? I took a step forward, but it has't stopped me from moving forward – I'm still on my grind.
"I've picked up some drills. I do a little Youtubing and saw some stuff during the NFL combine that I can do. I have the knowledge to stay in football shape...I run all the time. I still have my backpedal and the hard core drive."