"I don't know that I've ever been around a young man at any position that's adapted to the NFL as quickly as Michael has," said Cam Cameron, Ravens offensive coordinator.
"Usually, you don't move a rookie in as a starter, but we didn't have an option. He's never been on the second team since he's been here and he hasn't changed. He's stayed the way he is, and I think that's harder to do than people would think."
But despite the intensity and focus Oher brings on the field, he seems able to flip that switch off when he leaves the field.
"He becomes a force of nature on the field and once he steps off the field, he rejoins the public and you would never know, other than his size, that this was a guy who's made his mark as a modern day gladiator," Sandusky said.
At his relatively Spartan -- by NFL standards -- starter home in the Baltimore suburbs, Oher has an understated, sheepish quality to him. He seemed like the kind of person content sitting at home enjoying a movie, away from the flashy lifestyle many professional athletes bask in.
"He's very thoughtful, he's very respectful and he's almost someone who wants to step back far from the spotlight and just watch the picture unfold," Sandusky said.
Oher said, "You know, to have a book or a movie about you, I'm a simple guy, I don't care about things like that. I just want to play football and go out and compete every day, things like that."
Also like any 23-year-old in his first job after college, his five-year, $13.8 million contract notwithstanding, there seems to be an anxiousness to Oher about striking out on his own.
"One of the things we overlook in his story is Michael is a young man in his early 20s in his first job out of college," Sandusky said. "When you reach that point in your life, you want to start making your own tracks. You want to start writing your story, your future. I think that's where he is right now."
Sandusky said that Oher's personal drive was glossed over in the movie.
"I don't think Michael Oher is given enough credit for his role in his story," he said. "Sure, the Tuohys are a remarkable family and all the different people who came in to help pull this kid from the impossible to the unbelievable. But you could take a hundred different people and give them all the same resources, and they wouldn't make it. The 'X' factor here is Michael Oher."
Just as it took a boy with a strong will and big vision to make it from his circumstances, no matter the help and love he got along the way, Oher seems focused and ready to write the newest chapter in his life, away from the glare of "The Blind Side."
"No matter how hard it may get and how hard it may seem, it can always be a lot worse," Oher said. "I know to just enjoy everything you have and just keep working hard.
"I'm going to do everything I possibly can to protect my quarterback and reach my full potential," he said. "My next big dream: to make it to the Super Bowl, win and celebrate with my team."
Watch "The Blind Side: The True Story Behind the Movie" on a special edition of "20/20" Tuesday, Dec. 29, at 10 p.m. ET.