But he believes his recent performances in the reserves entitle him to one last chance in the first team decides to move on to pastures new.
"I doubled my efforts last season, but Phil Thompson never gave me a chance, while honestly I deserved it," he said. "I didn't want to leave on a failure so I continued on.
"Even if I am not part of this club's success I found desire and passion here."
Wednesday's Worthington Cup game against Southampton could be Diomede's last chance to shine, with Gerard Houllier expected to field several squad players.