Scott Brown has admitted responsibility for the red card which helped Barcelona win at Celtic Park on Tuesday.
Kris Commons admits Celtic face a tough task if they are to reach the last 16 of the Champions League.
Cesc Fabregas' late goal earned Barcelona a hard-fought 1-0 UEFA Champions League win over 10-man Celtic at Celtic Park.
Celtic manager Neil Lennon felt Scott Brown was unlucky to be sent off following his side's 1-0 defeat to Barcelona.
Celtic boss Neil Lennon believes the absence of Barcelona striker Lionel Messi is a boost for his side.
Dani Alves has urged Barcelona to go for an early away goal when they tackle Celtic in Tuesday's Champions League clash.
Barcelona sporting director Andoni Zubizarreta feels they can cope without Lionel Messi in Tuesday's clash with Celtic.
Borussia Mönchengladbach steht bei Celtic Glasgow unter Druck. Im "Spiel um Platz drei" wäre eine Niederlage fatal.
Cesc Fabregas has urged his Barcelona team-mates to step up when they take on Celtic without Lionel Messi.
Lionel Messi will miss Barcelona's Champions League date with Celtic on Tuesday with a thigh injury.
Georgios Samaras bagged his first league hat-trick as Celtic beat Kilmarnock 5-2 at Rugby Park.