A NBA Adrenalyn XL Extra Signature card is a insert with a printed Signature on it. The odds of getting a extra signature is one in every eight packs. The offence and defence is increased by three on the card.
A NBA Adrenalyn XL Extra Signature card is a insert with a printed Signature on it. The odds of getting a extra signature is one in every eight packs. The offence and defence is increased by three on the card.