"It was great, me and him just giving each other just so many tips and just feeding off the knowledge from each other on the field," Robinson said. "I mean, it's only right to want to make sure your body is at top-tier shape before you go on the field," Robinson said. 💪 Christian McCaffrey💪 Bijan Robinson💪 Luke McCaffreyAll putting in serious work this offseason. pic.twitter.com/ndC0WoWcwF — Jordan Schultz (@Schultz_Report) June 27, 2025Stratosphere is like elevation training without having to travel to a high altitude. "They were just trying to outdo each other on the power and the velocity of the training," Williams said.