The Hoops slumped to their fourth defeat on Wednesday when they were beaten at home by Hibernian 2-1 – a loss that saw them fall 10 points behind title rivals Rangers and only two clear of Hibs who are third.
McDonald is well aware that this weekend is vitally important for Celtic if they are to be any chance of winning this season’s premiership.
“We know we have to start putting some wins together otherwise they (Rangers) are going to get away from us,” McDonald told tribalfootball.com.
“The loss midweek was very disappointing and all the players and the coaching staff are determined to turn it around and get ourselves back in the race for the title.”
For all your UK, European and African Cup football, tune into Setanta this week.
Sunday 31st January
2am SPL Rangers vs Falkirk LIVE
4:30am Bundesliga Schalke vs Hoffenheim LIVE
6:40am Serie A Napoli vs Genoa LIVE
9:15am African Cup of Nations 3rd Place Play-Off Teams TBC
6:30pm Ligue 1 Montpellier vs Marseille
10:30pm Eredivisie Feyenoord vs Ajax LIVE
Monday 1st February
1am Serie A Parma vs Internazionale LIVE
3am African Cup of Nations Final Teams TBCLIVE
7am Ligue 1 Lyon vs PSG LIVE
9am Bundesliga Stuttgart vs Borussia Dortmund
10:45am Bundesliga Bayer Leverkusen vs Freiburg
4pm Ligue 1 Lille vs Lens
Tuesday 2nd February
4am Ligue 1 Auxerre vs St Etienne
Wednesday 3rd February
6:30am FA Cup 4th Rnd Replay Crystal Palace vs Wolverhampton LIVE
9:30am Coppa Italia Teams TBC
Thursday 4th February
6:30am FA Cup 4th Rnd Replay Leeds Utd vs Tottenham LIVE
10:45am Copa Libertadores Cruzeiro vs Real Potosi LIVE
1:15pm Scottish League Cup Semi Final Rangers vs St Johnstone
6pm Euro Cup/League Teams TBC