Mike Haynes was one of the greatest defensive backs to ever play the game. In his post football life, he's been dedicated to making a difference in the community. He's especially active in prostate cancer awareness.

We look back on Josh Rosen's journey from St. John Bosco High School to the Arizona Cardinals.

Brandon Roy is now the head coach at Garfield High School in Seattle, where he was a prep star. He was an All-American at the University of Washington and an NBA All-Star with the Portland Trailblazers.

Kevin Durant attended three high schools growing up, but he truly thrived as as senior, including his appearance at the McDonald's All-American Game.

Boston Celtics guard Marcus Smart was once a troubled youngster needing a new start. When he befriended Phil Forte and moved to Flower Mound, TX, he was finally on the right path. He became one of the best Texas high school players ever.

Steve Largent was the greatest NFL wide receiver of his time. He learned the value of hard work during his time at Putnam City High School in Oklahoma.

Jason Taylor didn't even try football until he was a junior in high school, but that started him on a path through Akron to the Miami Dolphins and on to the Pro Football Hall of Fame.

Joe Mauer is a hometown favorite in the Twin Cities. A graduate of Cretin-Derham Hall High School, Mauer almost played college football at Florida State. However, when the Minnesota Twins drafted Mauer first overall, he chose a baseball career.

LaDainian Tomlinson was a shoo-in for induction into the Pro Football Hall of Fame in 2017. His time at University High in Waco, TX, was an important part of his journey.

Terrell Davis played seven seasons in the NFL, but he was dominant in that time. He won two Super Bowls with the Denver Broncos and also won an NFL MVP Award. He was inducted into the Pro Football Hall of Fame in 2017.

Undersized and overlooked as a prep player, Mike Singletary has always had a passion for football. That drove him to be a Hall of Fame linebacker with the Chicago Bears, and now he's helping future generations to learn how to play the game safer.

Mike Vick shares the highs and lows of his journey to be a quarterback that changed the NFL.