SEATTLE (AP) — Seattle Seahawks linebacker Cassius Marsh is pleading for the person who stole his valuable collection of "Magic: The Gathering" cards to return it.

Marsh tells The Seattle Times the collection is valued at $20,000 to $25,000. He says he was at a nightclub in downtown Seattle on Tuesday night when someone smashed his car window and stole two backpacks. His card collection was in one and his team-issued iPad was in the other.

Marsh tells The Seattle Times that playing the popular fantasy trading card game helps him relax.

He has offered a pair of free tickets to Seattle's next home game to anyone who returns the cards.

Game maker Wizards of the Coast has sent Marsh a care package of cards in the

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