Edelman took a hard hit during the Super Bowl, but wasn't immediately tested for a concussion. (USATSI)

During the 2015 season, NFL concussion spotters will hold more power than ever. The NFL has tweaked its rules regarding concussions and, now, concussion spotters who are not on the sidelines but are watching from the press box will be able to stop the game when they spot a player showing concussion-like symptoms.

If the spotter stops the game, the player will be forced to sit out at least one play while undergoing a concussion test. Neither team will be charged with a timeout, but time will stop for a medical timeout.

"We don't expect this to happen a lot, but the athletic trainer is now empowered to stop the game if necessary to give the player the attention he needs,"  said Jeff Miller, the NFL's senior vice president of health and safety, via The Boston Globe. "Concussions and head and neck injuries are really important and they need immediate attention. Therefore that was going to predominate over any potential competitive concerns."

In the past, the NFL did have spotters in the press box and they were in contact with each sideline. However, they themselves couldn't stop the game, which led to some potential shortcomings.

In the Super Bowl, Patriots wide receiver Julian Edelman caught a critical pass to extend the Patriots' eventual game-winning drive. In the process of the catch, Edelman was whacked by Seahawks safety Kam Chancellor and appeared wobbly as he ran after the hit.

According to Fox Sports, the trainer in the press box radioed down to the Patriots sideline. But the Patriots were in the middle of an up-tempo, no-huddle drive, so Edelman wasn't tested until after the drive concluded with his game-winning touchdown reception. While Edelman then passed the test, there's a chance that the symptoms of a concussion simply subsided by the time Edelman was actually tested.

"It is very possible for a person to play, come out and then test normal," said Dr. Richard Ellenbogen, the co-chair of the NFL's Head, Neck and Spine Committee, via Fox Sports. "We're trying to get ahead of that."

According to Ellenbogen, in 90 percent of concussions, symptoms can disappear just minutes after the injury. Now, concussion spotters -- with their vantage point away from the action -- can potentially eliminate those instances.