Former NFL Player Blake Martinez is seriously considering retiring after selling a Pokémon Card for over half a million dollars. "I called my agent and said both my knees are killing me, and I'm not really feeling this anymore," Martinez said.

Logic spent a large sum on a must-have card for his Pokémon collection.

Pokémon has had generations of children (and adults) obsessed since the '90s. Head inside for details on the limited edition gem.