Richardson said that it has been great to get back to practice with his teammates in order to learn the upcoming season's plays with the rest of the roster.
"It felt good," he told the club's official website. "It's way different. It's much easier and it's slowing down a lot, so it's making the game much better for me.
"Just to get back at it and just to be out here with my teammates, it's a blessing. To be taking everything slow and to know the real concept of the plays [is helpful].
"It's not just going week-to-week and just really knowing why the quarterback is doing this, or why they're thinking that, or why do we got these audibles set up in this play, or why the offensive line is making this call, not just if they make this call, I go that way and make sure I block this person."
Richardson played 14 times for the Colts last season.