Jackie McNamara rounded on the Hampden officials for costing his side the chance of League Cup glory against Celtic . Referee Bobby Madden made two huge calls against Dundee United when , first of all , he denied Ryan Dow a first-half penalty following a nudge in the back by Parkhead skipper Scott Brown . The whistler then instantly dismissed Tannadice captain Sean Dillon for a dangerous tackle on Emilio Izaguirre in 56 minutes , thus ending any hopes of a United comeback . Dundee United manager Jackie McNamara was furious that his side were not awarded a penalty on Sunday . ‘ I feel frustrated and disappointed , ’ said McNamara . ‘ But I ’ m proud of how the players responded . ‘ I thought a lot of things went against us today . We stuck to the task and went right to the end , despite the disappointments and setbacks in the game . ‘ Decisions didn ’ t go for us and certain other things didn ’ t go for us . I can ’ t fault the lads for their effort and commitment . ‘ I feel we should have had a penalty . It looked like a penalty , I ’ d like to see it again . The referee was very slow to make a decision , or not make a decision . But in Celtic ’ s case , he was very quick to point to the spot . ‘ I ’ d like to see the challenge again that caused the damage to Sean Dillon ’ s leg . Celtic ended up getting a throw-in from it . Sean has got a bad gash on his shin . I ’ d like to see the incident again , to see if it was a fair one . Dundee United 's captain Sean Dillon is sent off by referee Bobby Madden for a tackle on Emilio Izaguirre . ‘ For the red card , Sean has given the referee a real decision to make . It was his momentum and pace , I don ’ t think he has gone in to cause damage . But he ’ s given the ref a decision to make and we know what happened. ’ United midfielder John Rankin , meanwhile , accused Celtic of piling pressure on to Madden ahead of Sunday ’ s showpiece occasion . Following the stormy Scottish Cup draw at Tannadice , Celtic manager Ronny Deila had accused United youngster Aidan Connolly of a ‘ blatant ’ dive to win a spot-kick . That was then repeated by Brown , who also pointed the finger at Nadir Ciftci over a kick that struck him on the head . Anthony Stokes further spoke out by expressing his bemusement that Connolly hadn ’ t been retrospectively punished . ‘ I think it did influence things , ’ said Rankin . ‘ It put pressure on the officials and I don ’ t think it ’ s merited . Ryan Dow was denied a first-half penalty following a nudge in the back by Parkhead skipper Scott Brown . ‘ The officials ’ jobs are hard enough without putting pressure on them . They ’ re under scrutiny . ‘ You saw it last week with us going down to nine men and people questioning the decisions made then . ‘ There has been a lot of pressure put on Bobby Madden and his three officials this weekend with what they ’ ve been saying in the press this week . ‘ I don ’ t think that ’ s merited and it doesn ’ t help . But at the end of the day we ’ ve got to deal with it . We ’ re bitterly disappointed but we need to look forward to the Scottish Cup replay on Wednesday and bounce back. ’ Tensions sure to be raised once again when the sides meet for the third act in what has become a four-match saga . For United , keeping 11 players on the park will be a priority . ‘ It will be easy to lift the players for Wednesday , ’ said McNamara . ‘ That ’ s what we are in it for . Dundee United captain Sean Dillon ( right ) is sent off for this late challenge on Celtic defender Emilio Izaguirre . ‘ Had we won today , we would have got back up for Wednesday . So we will dust them down and see who is available . Paul Dixon and Sean will both be missing . ‘ But the lads have another opportunity to put everything behind them . Hopefully there will be a bit of consistency in everything on Wednesday . ‘ We defended well with both 11 and 10 players today . Last week , we defended well with nine players , as well . Hopefully we keep 11 men on the pitch on Wednesday night . It ’ s imperative that we do . ‘ Up until the last third of the pitch , we competed well with Celtic . But our last pass just wasn ’ t there , although we had opportunities to create something . It ’ s just that little bit of quality we were lacking . ‘ But they gave us everything and that ’ s all you ask as a manager . We can take lots of positives from it - they way the players stuck together , how they worked and didn ’ t give up right until the final whistle. ’ The Celtic players celebrate on the podium with the QTS Scottish League Cup after beating Dundee United 2-0 .
Ronny Deila 's Celtic side won their 15th Scottish League Cup . Kris Commons and James Forrest scored as Celtic prevailed 2-0 . The win was the first silverware for manager Brendan Rodgers since he took over in May 2014.