NEW YORK—They were once at the top of the NFL—league MVPs, All-Pros, Pro Bowlers, and faces of franchises. With the regular season about to kick off, they’re now at the front of the unemployment line. Cam Newton, Adrian Peterson, Le’Veon Bell, Todd Gurley, and Richard Sherman are just some of the big-name players without jobs as teams prepare for Week 1. Some players might be waiting for the right opportunity. Meanwhile, teams might be holding off on adding a veteran before the season begins while assessing their rosters—and financial situations. But for other players, their time in the NFL as productive playmakers might have unceremoniously come and gone. Here’s a look at some of the more recognizable—and accomplished—players still waiting for a call: Cam Newton A surprise cut by New England on Tuesday, the 2015 NFL MVP lost out on the starting job to rookie Mac Jones. He started 15 …