Career
He has previously played for Rotherham United, Barrow, Wycombe Wanderers and Grimsby Town. Rotherham United
Walker started his career with Rotherham United, starting a two-year scholarship with the club in the summer of 2011. Soon after, Walker was soon linked with many Championship clubs keen to sign him.
At the 2012-2013 season, Walker signed his first professional contract at the club
Shortly after, Walker switched number shirt from thirty-two to twenty-nine. On 25 October 2013, Walker joined Conference North side Barrow a one-month loan deal.
Following his loan spell at Barrow came to an end, Walker contract with Rotherham United was extended for another season. On 31 July 2014, Walker joined League Two side Wycombe Wanderers on loan for three months, along with team-mate Daniel Rowe.
However, Walker didn"t start first team place at Wycombe Wanderers and stayed at the club until his loan came to an education
On 28 November 2014 it was announced that Walker had joined Conference Premier side Grimsby Town on loan until January 2015. Boston United
On 1 January 2015 after making no appearances on loan at Grimsby Town, he was released by Rotherham United, he joined Conference North side Boston United on a free transfer.
