In the 2010–11 season, Muldoon's former Connacht teammate Eric Elwood took over the side. In the Challenge Cup, the team failed to qualify from their group, finishing second behind eventual champions Harlequins. Muldoon played in four of the team's six European matches. Domestically, Connacht were able to improve their league standing coming ninth from 12 teams, ahead of Glasgow Warriors and two new Italian teams. However Muldoon missed much of the season through injury, playing in only eight games in the 2010–11 Celtic League.