This article was originally published on www.si.com as Four QB Battles to Watch in NFL Training Camp. NFL training camp is set to get underway this week, and as usual, much of the intrigue for some teams will be surrounding the quarterback position.

Aaron Rodgers has another new home; the Jets, Giants and Browns are still searching for answers; and the league is implementing some changes.

With training camps opening across the NFL, which position battles demand your attention? Kevin Patra spotlights 10 intriguing competitions, including four quarterback derbies.

Baltimore Ravens quarterback Lamar Jackson has received many accolades since taking over under center in 2018. Two league MVPs, three First-Team All-Pros, four Pro Bowls, an NFL touchdowns leader and passer rating leader are just a few of his accomplishments in the NFL to go along with his 2016 Heisman Trophy win.

Quarterback is clearly the most important position in the modern NFL, making it almost shocking how few teams boast a truly elite passer and how many are desperate to find one each offseason.

Tennessee quarterback Will Levis will have season-ending shoulder surgery, keeping him from competing for playing time in his third season with the Titans.

Longtime Chargers quarterback Philip Rivers officially announced his retirement on Monday, ending his 17-year NFL career as a member of the Bolts.

Nearly five years after his final NFL game, Philip Rivers has officially retired as a member of the Chargers, the team with which he spent 16 of his 17 seasons. Rivers, who spent his final season with the Indianapolis Colts,