This jersey has been personally hand-signed by the following: Aaron Hill, B.J. Upton, Bill Evers, Bill Murphy, Bobby Dickerson, Brad Thompson, Bryan Bullington, Chris Burke, Clint Everts, Conor Jackson, Dallas McPherson, David Wright, Delmon Young, Gavin Floyd, Jackie Moore, Jason Kubel, Jeff Mathis, Jeremy Reed, Joe Blanton, John Danks, Koyie Hill,Kyle Sleeth, Matt Cain, Michael Aubrey, Prince Fielder, Rich Gossage, Rickie Weeks, Tim Stauffer, Tom Brown, Tony Beasley, Tony Defrancesco, and Val Majewski. It has been obtained under the auspices of the MLB Authentication Program and can be verified by its numbered hologram at MLB.com. It also comes with an individually numbered, tamper-evident hologram from Fanatics Authentic. 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.