Hillman, who recently returned from a hamstring injury that sidelined him for the first two preseason games, worked on routes with the four-time MVP.
During Tuesday's session, Manning counseled the third-round pick on the proper way to run fade routes, offering tips with each route and throw. By the end of their time together, Hillman went from bobbling passes to catching them cleanly.
"You're like, 'Oh man, I have to do this right,'" Hillman said. "But once you get going, that's the last thing on your mind."