A position-by-position look at the Vikings as they head into training camp in Mankato.

Vikings training camp preview: Running backs/Fullbacks

We'll see if Adrian Peterson will need to participate in a preseason game after his suspension, but everyone around the organization expects him to have a huge year

Vikings training camp preview: Tight ends

It's a vital position in Norv Turner's offense, yet the Vikings didn't get the most from their tight ends last year.

Vikings training camp preview: Offensive line

Teddy Bridgewater and Adrian Peterson will snag most of the headlines from the Vikings offense, but the offensive line will be the most important position group to watch during training camp.

Vikings training camp preview: Defensive line

The Vikings return all four starters and two key backups at defensive tackle. Plus, they added depth at defensive end through free agency and the draft.

Vikings training camp preview: Linebackers

The situation at linebacker is much better due to the presence of Anthony Barr, the ninth overall pick last year.

Vikings training camp preview: Secondary

The secondary is the second most important unit to watch during training camp behind the offensive line.

Vikings training camp preview: Special teams

For the most part, it's the same faces from last year on special teams for the Vikings. There's plenty of room for improvement, however.

2015 Vikings training camp roster

A look at the team from Aiyegbusi to Zimmer