Can Cardinals’ Robert Nkemdiche reach that next level and hold off Josh Mauro for the starting job? Will rookie Eddie Jackson supplant two-year starter Adrian Amos in Chicago? Can Seattle find a suitable No. 2 across from Richard Sherman? SI's Chris Burke runs down the defensive position battles to watch.
Will Ryan Jensen or Matt Skura replace the retired John Urschel in Baltimore? Will Ben Garland, Wes Schweitzer or Sean Harlow be protecting Matt Ryan in Atlanta? Keep a close eye on these offensive-line position battles in NFL training camps.
Can rookie Zay Jones establish himself as the No. 2 across from Sammy Watkins? Will Brandon LaFell or John Ross earn the spot as A.J. Green's sidekick? Running down the must-watch battles between wide receivers and tight ends as NFL training camps roll on.
Will Eddie Lacy's diet pay off and help him win the starting job over Thomas Rawls in Seattle? Can the young Mark Ingram carve out a place alongside veteran Adrian Peterson with the Saints? Breaking down the running back battles to watch this NFL preseason.
Ryan Tannehill’s noncontact knee injury reportedly might require season-ending surgery. Will the Miami Dolphins turn to backup quarterback Matt Moore, or will they seek out the recently retired (Jay Cutler, Tony Romo), free agents (Colin Kaepernick, Robert Griffin III), or those who might be traded (Jimmy Garoppolo, Alex Smith, Kirk Cousins, A.J. McCarron, Brock Osweiler)?