( CNN ) -- Extra-time goals by Darren O'Dea and Aiden McGeady gave Celtic a 2-0 victory over Glasgow rivals Rangers in the Scottish League Cup final at Hampden Park . Darren O'Dea ( left ) peels away after scoring the opening goal in Celtic 's 2-0 victory over Rangers . After 90 tense minutes had failed to produce a goal , the game moved in to extra-time and just a minute after the restart O'Dea , who had not scored since Celtic beat Livingston in February 2007 , leapt to head a Shunsuke Nakamura free-kick past goalkeeper Allan McGregor . Then , In the third minute of added time at the end of the match , Rangers defender Kirk Broadfoot was red-carded for denying McGeady a clear goalscoring opportunity and the Ireland international scored from the resulting penalty . There was little between the two sides in normal time but Celtic 's superior fitness paid off , giving them a psychological boost in their bid for a fourth Scottish Premier League title in succession -- a race in which Celtic lead Rangers by three points . The victory was Celtic 's first major final victory over their arch-enemies for 20 years -- and ensured Rangers , who are also through to the semifinals of the Scottish FA Cup -- can not now lift the domestic treble .
Celtic defeat rivals Rangers 2-0 to win Scottish League Cup final at Hampden . Extra-time goals by Darren O'Dea and Aiden McGeady secure cup for Celtic . The result will give Celtic a boost as they battle with Rangers for Scottish title .