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Phelan Ebenhack/Associated Press

Rebounding is an essential part of NFL life. If a struggling player doesn't do it, and fast, his NFL existence won't last long.

Rebounds come in different forms. There's the veteran who might be fading and is clinging to the twilight of his career. There's the young stud who was knocked from his perch and faces a climb back to the top. The most common need for a rebound is the injury recovery that's finally completed with one last hurdle to clear.

The fate of entire seasons can rely on successful rebounds. The New York Giants' season, for example, largely depends on Eli Manning to not descend further toward retirement. The Carolina Panthers won't go far unless Cam Newton returns to his MVP form.

Both Manning and Newton should successfully bounce back because of the talent assembled around them. They highlight this look at the most likely rebound seasons of 2017.