 Lucas was sent off in a cup tie against Mersey rivals Everton, which Liverpool lost.This compounded his growing unpopularity amongst Liverpool's supporters, after he gave away a late penalty in Liverpool's previous match, a 1–1 draw with Wigan Athletic.On 14 March, Lucas played a key role in Liverpool's 4–1 victory over Manchester United at Old Trafford, starting in place of the injured Xabi Alonso.