The players from the defending Super Bowl champion Baltimore Ravens leave their homes and arrive at training camp.

The team begins to battle the extreme heat. The search for a new running back continues.

Tony Siragusa take out some of the rookies to his restaurant. The Ravens compete in their second preseason game.

The coaches make their final round cuts, as players wait in suspense. Training camp ends and the players head for home.

New Cowboys coach Dave Campo explains his rules for training camp to the team. Several players tensions rise for a spot on the 53-man roster. There is also a look into the Dallas Cowboy Cheerleaders bond.

The competition heats up as preparations for the 2002 season begin in earnest. The rookies face their first live test in a scrimmage against their in-state rivals, the Houston Texans.

The Cowboys enjoy some good, clean fun before the "hard knocks" resume and injuries affect key members of the 2002 roster.

It's the last week for players on the bubble as the final 53-man-roster is chosen and the Cowboys prepare to begin their 2002 season.

The grind and intensity of training camp sets in. The Lions travel to Indianapolis to take on the Colts in their second preseason game.

The Lions travel to Pittsburgh to play their final preseason game. With cutdown day approaching, it's the last chance for roster hopefuls.

Coach Campbell and his staff make roster cuts and get ready for the season kickoff as the Lions finish up training camp.

Hard Knocks heads to training camp with the New York Jets as coach Robert Saleh prepares his team — led by QB Aaron Rodgers — for the season.

Aaron Rodgers and the Jets travel to Carolina to practice against the Panthers and #1 overall draft pick Bryce Young.

The practical jokes heat up at training camp. Also the team and it's coaching staff has to deal with the season ending injury of star running back Jamal Lewis.

The Ravens coaches go through their first-round cuts. The team's rookies stage a talent show where they mock several of the veteran players.

The intensity of training camp heats up as fifteen players are cut from the roster and veterans prepare for the regular season. Also: a thunderstorm sends the team heading for cover.

Enthusiasm is building for the 2022 Lions. In his second season as Head Coach, Dan Campbell welcomes the youngest roster in the NFL back to training camp, including this year’s number two overall draft pick, Michigan native Aiden Hutchinson.

Week 2 of training camp sees Lions Head Coach Dan Campbell challenging his players, including first round pick Aiden Hutchinson who appears in his first NFL preseason game in front of his hometown Michigan fans.

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With expectations sky high, the Bears and #1 overall draft pick QB Caleb Williams open camp and prepare for their first preseason game.

Rookie stars Caleb Williams and Rome Odunze continue their progress as the team rolls into Buffalo for their second preseason game.

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General manager Thomas Dimitroff outlines his view on the 2014 roster; linebacker Sean Weatherspoon is profiled; the Falcons scrimmage with the Tennessee Titans in Flowery Branch as they prep for their opening preseason game against the Miami Dolphins at the Georgia Dome.

With jobs on the line, the Falcons fly to Houston to scrimmage the Texans before their second preseason game. Also: competition heats up for the backup quarterback job.

Running back Dalvin Cook joins the roster as the Jets host the Tampa Bay Buccaneers for a joint practice in New Jersey.