David Tyree made one of the most memorable catches in Super Bowl history. Now he will be fighting for a roster spot with the Giants. Video: On the Fringe, David Tyree (AP Photo/Gene Puskar, File)

David Tyree knows what at stake when the Giants open camp: his NFL career. And he's been working hard this summer to get himself ready for the challenge. Video: On the Fringe, David Tyree (Photo by Chris Preovolos/NFL.com)

David Tyree has been preparing himself for training camp, and the battle ahead of trying to secure a spot on the Giants' roster. Video: On the Fringe, David Tyree (Photo by Chris Preovolos/NFL.com)

David Tyree knows he can't hold anything back this summer. Video: On the Fringe, David Tyree (Photo by Chris Preovolos/NFL.com)

David Tyree hopes to run out of the tunnel in Week 1 as a member of the New York Giants. Video: On the Fringe, David Tyree (Photo by Chris Preovolos/NFL.com)

Boomer Grigsby, a fullback who spent three years with the Chiefs, played just one game for the Dolphins last season before being cut. This year he's hoping to secure a spot with the Texans. Video: On the Fringe, Boomer Grigsby (Photo by Ben Liebenberg/NFL.com)

Boomer Grigsby is a free-spirit who moved from linebacker to fullback to stay in pro football, but knows his bid to land with the upstart Texans could be his last chance in the NFL. Video: On the Fringe, Boomer Grigsby (Photo by Ben Liebenberg/NFL.com)

Boomer Grigsby knows he can't afford to take anything for granted if he wants to prolong his NFL career. Video: On the Fringe, Boomer Grigsby (Photo by Ben Liebenberg/NFL.com)

Boomer Grigsby is hoping he's done everything necessary to put himself in the best position to secure a roster spot with the Texans. Video: On the Fringe, Boomer Grigsby (Photo by Ben Liebenberg/NFL.com)

Ian Johnson made national headlines while at Boise State when he scored the game-winning two point conversion during overtime of the 2007 Fiesta Bowl. Video: On the Fringe, Ian Johnson (AP Photo/Ross D. Franklin)

Moments after scoring the game-winning two-point conversion in the 2007 Fiesta Bowl, Ian Johnson dropped to one knee and proposed to his then-girlfriend, Chrissy Popadics. The couple is now married. Video: On the Fringe, Ian Johnson (AP Photo/Ted S. Warren)

Ian Johnson and Chrissy Johnson got married six months after the star running back proposed on national television after scoring the winning 2-point conversion in Boise State's victory over Oklahoma in the Fiesta Bowl. Video: On the Fringe, Ian Johnson (AP Photo/Idaho Press-Tribune, Greg Kreller)

Ian Johnson went from collegiate folk hero to every young girl's Prince Charming to an undrafted free agent, trying to make a roster boasting the NFL's top RB. Video: On the Fringe, Ian Johnson (AP Photo/Michael Conroy)

Ian Johnson on his future: "I'm going to make myself a steal for Minnesota. I believe I was draftable. They're getting a guy who wants to be here, who is going to work his tail off, and who they didn't have to pay a bunch of money for. I'm going to make myself worth something." Video: On the Fringe, Ian Johnson (Photo by Ben Liebenberg/NFL.com)

The Vikings are taking just five tailbacks to training camp based on their existing roster. Second-year player Albert Young, who was on the practice squad last season, and rookie Khalil Bess provide Johnson's competition for the No. 3 spot. Video: On the Fringe, Ian Johnson (Photo by Ben Liebenberg/NFL.com)

Lance Long rarely started in college but landed on Arizona's practice squad last season as an undrafted free agent. Now, coaches want to see more from this gym rat. Video: On the Fringe, Lance Long (Photo by Arizona Cardinals)

Lance Long had five catches in four preseason games last year. Now he's hoping to be able to make some plays in the regular season. Video: On the Fringe, Lance Long (Photo by Ben Liebenberg/NFL.com)

Lance Long is hoping to make some meaningful plays for the Cardinals this year. Video: On the Fringe, Lance Long (Photo by Arizona Cardinals)

After appearing in four preseason games last season with the Cardinals, Lance Long spent the season on Arizona's practice squad. Video: On the Fringe, Lance Long (Photo by Arizona Cardinals)

The Cardinals love to throw the ball. But will Lance Long be on the receiving end of Kurt Warner's throws this season? Only time will tell. Video: On the Fringe, Lance Long (Photo by Arizona Cardinals)

No season was more rewarding for Coy Wire than 2008, when he overcame a career-threatening neck injury to be special teams captain. Now, his job is at stake. Video: On the Fringe, Coy Wire (AP Photo/Dave Martin)

Coy Wire spent six seasons with the Buffalo Bills before joining the Falcons last season. Video: On the Fringe, Coy Wire (AP Photo/ David Duprey)