Jack Nicklaus admires his grandson, Miami Dolphins tight end Nick O'Leary | NFL Films Presents

Jack Nicklaus is not only one of the greatest golfers to ever play the sport, but he is also the grandfather of Miami Dolphins tight end Nick O'Leary. Learn more about how Nicklaus has become O'Leary's biggest supporter.

In this segment of "NFL Films Presents," Charissa Thompson sits down with recently retired New England Patriots coaches Dante Scarnecchia and Ivan Fears.

Learn more about Indianapolis Colts linebacker Darius Leonard.

In this edition of "NFL Films Presents," learn about the life and times of former Dallas Cowboys linebacker Jeff Rohrer, who became the first NFL player to marry a member of the same sex, when he married his partner in November 2018.

Watch Detroit Lions cornerback Darius Slay's journey to the NFL.

Learn more about the jugs machine which has become a pivotal part to helping out wide receivers and running backs throughout the years.

Learn more about how a stiff arm is utilized and which players are the best at delivering it.

The career of Redskins Hall of Fame QB Sonny Jurgensen is featured on NFL Films Presents.

NFL Films Presents: Ron Burton Training Village.

All of the best plays from all of the best players. Relive the 2018 NFL season in this epic cut down by NFL Films.

New Orleans Saints tight end Benjamin Watson has had an impressive career, but it pales in comparison to what is going on off the field.

Watch how former NFL quarterback Chad Pennington is staying involved in football through coaching in high school.

New York Giants linebacker Connor Barwin discusses how the anthem protest has actually opened up a great amount of awareness of how his fellow NFL peers are working to better their communities, and how it helped him decide to make this journey to Mount Kilimanjaro

Watch how the team prepares for the climb up Mount Kilomanjaro in this clip from "The Way Up".

Mixed Martial Arts fighter Justin Wren talks about how his background and experience of spending time assisting the community in the Congo inspired him to take on this challenge to climb Mount Kilimanjaro, and help the community with their water crisis.

Philadelphia Eagles defensive end Chris Long meets with his team of climbers in Amsterdam as they prepare to take on their journey to Mount Kilamonjaro.

Watch the daily struggle of finding fresh water in Tanzania in the clip from "The Way Up".

Check out how Philadelphia Eagles defensive end Chris Long helped give back to education by donating his game checks.

Watch Philadelphia Eagles defensive end Chris Long's journey from the number two pick to a philanthropist from this clip in "The Way Up," with military veteran Nate Boyer.

New York Giants running back Jonathan Stewart and his wife head all around New York to try different types of food, include grasshoppers.

Find out how Elvis has become a theme throughout the NFL, but the man himself actually enjoyed the sport of football growing up.

See how one category on the show "Jeopardy" left all three contestants stumped, and how Jeopardy and the NFL go together better than you think.

Watch as Baltimore Ravens offensive lineman Orlando Brown Jr. tells the story of why he decided to play football, despite his late father urging against it.

He isn't the fastest player on the field, but New England Patriots quarterback Tom Brady is on his way to an impressive milestone.

Football and ballet. It's an unlikely combination but the two actually work better together than you might think. Find out why!