These game-used cleats have been personally hand-signed by Chance Adams during the 2017 MLB season. They have been obtained under the auspices of the MLB Authentication Program and can be verified by its numbered hologram at MLB.com. They also come with an individually numbered, tamper-evident hologram from Steiner Sports. To ensure authenticity, the hologram can be reviewed online. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud. Please note that this line-up card may have imperfections due to in game play.