Evans, so popular at the club in his two spells with the Reds, retired from football at the end of last season.
The Northern Irishman remained with the Reds as head of loans and pathways and is now focused on helping his former team-mate ensure the squad is in the best shape for the trip to Lancashire.
Under-21s boss Travis Binnion and recent addition to the Academy coaching set-up, Alan Wright, will also form part of the coaching team for the Turf Moor fixture, which kicks off at 20:15 GMT.
When asked about who was assisting him, Fletcher replied: "So Travis Binnion, who leads the Under-21s, who I started my coaching career with in the Academy, whom I’ve know for five years that I've been here.