Panthers' Olsen has hilarious Twitter exchange with McCaffrey about his age

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Grant Halverson / Getty Images Sport / Getty

Carolina Panthers tight end Greg Olsen couldn't help but notice some similarities between himself and teammate Christian McCaffrey while looking at an old photo of himself Friday.

The photo, taken three years before McCaffrey was born, shows Olsen wearing the rookie running back's No. 22.

McCaffrey responded to Olsen's tweet a short time later, wondering if they might be related: