Trent Alexander-Arnold Signed Liverpool 2021-22 Football Shirt Official 2021-22 Liverpool home shirt, fan style printing, signed by Trent Alexander-Arnold. This Liverpool shirt was signed by Trent Alexander-Arnold at a private signing session. During the 2021-22 season, Trent helped Liverpool win the domestic cup double, EFL Cup and FA Cup. Trent is the youngest player to win all six major trophies at an English club. Authentication Guarantee The jersey is supplied with a unique Certificate of Authenticity The certificate confirms that the item was personally hand signed by Trent Alexander-Arnold and guarantees the authenticity of the signature without limitation. A photograph from the signing session is included to demonstrate that the signing took place. Due to logistical reasons it is not possible to photograph every individual item being signed; however, this method is widely recognised as best practice within the professional sports memorabilia industry.