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Associated Press

Rejoice, football fans. The 2016 NFL training camp season is finally here. This means that we're just over a month away from the return of meaningful football games and that this next month is going to be full of preseason excitement.

The most intriguing aspect of this time of year is watching teams come together and form their rosters for the coming season. Over the next several weeks, teams are going to figure out what they have, which players they want to keep and where positions can be improved.

Though teams vary greatly both in quality and in philosophy, the goal for each of them is to put together the best group of 53 men possible. This means that some intense positional battles are about to take place on the 32 teams around the league.

Uncertainties, after all, lie on the rosters of even the most well-constructed franchises.

Today, we're going to take a look at one key position on each NFL team that is available to be won in training camp. We'll be focusing on positions that could heavily impact the 2016 season—and since every position is important, we'll be basing our choices on factors like roster depth, player potential, coaching, team makeup and prior position-holder.

Teams are listed in alphabetical order.