As NFL training camp begins, there are several compelling storylines to keep an eye on.

From rookie quarterbacks vying for starting positions to veterans seeking new contracts, the preseason promises to offer a glimpse into the future of the league.

The status of rookie quarterbacks is always a hot topic, and this year is no different. Chicago's Caleb Williams has been handed the keys to the offense from day one, while Washington's Jayden Daniels is set to share first-team reps with veteran Marcus Mariota.

The preseason will provide an early look at how these young quarterbacks are adjusting to the pro game.

In addition to the rookie quarterbacks, the preseason will also shed light on how veterans like Stefon Diggs are fitting into new teams.

Diggs, who joined the Houston Texans, is expected to add depth to their offense and create more opportunities for quarterback C.J. Stroud.

The Baltimore Ravens' offense will be another focal point, particularly in how they plan to feature Derrick Henry alongside quarterback Lamar Jackson.

The addition of Henry, known for his punishing rushing style, could significantly impact the team's running game.

On the coaching front, Kellen Moore's role in fixing the Philadelphia Eagles' offensive struggles will be closely watched.

With quarterback Jalen Hurts at the helm, Moore's ability to optimize the team's offensive performance will be a key storyline during the preseason.

Defensive developments are also on the radar, with attention turning to the Detroit Lions' revamped secondary and the Green Bay Packers' new defensive coordinator, Jeff Hafley.

Both teams will be looking for improvements on the defensive side of the ball as they aim to solidify their positions in their respective divisions.

Off the field, contract negotiations are heating up for several players.

Dallas Cowboys wide receiver CeeDee Lamb is among those seeking a new long-term contract, while other veterans like Haason Reddick and Trent Williams are also looking to rework their deals.

Finally, the quarterback market remains a point of interest, with players like Dak Prescott and Tua Tagovailoa still in negotiations for new contracts.

The outcome of these negotiations could have a significant impact on their respective teams' future prospects.

As NFL training camp gets underway, these storylines will provide plenty of intrigue for fans and analysts alike. The preseason will offer a first look at how these narratives unfold and set the stage for the upcoming NFL season.