"I am a better running back every time I step on the field. I try to get better each game, each summer, each season"

Shaun Alexander is revealing his commitment to self-improvement and commitment to his craft. He is highlighting that he is constantly making every effort to become a better running back, which he is not content to rest on his laurels. He is determined to improve each video game, each summer, and each season, revealing that he wants to put in the hard work and dedication needed to reach his objectives. This quote speaks to Alexander's aspiration and drive, and works as an inspiration to others to never stop striving for success. It is a reminder that with effort and commitment, anything is possible.