Celtic begin their 2021-22 Scottish Premiership campaign with a game against newly-promoted side Hearts on Saturday.Celtic are coming off a 2-1 loss to Danish outfit Midtjylland in a UEFA Champions League qualifying round game which essentially knocked them out of contention for the group stages. Celtic lost the tie 3-2 on aggregate, with Raphael Nwadike's 94th-minute strike serving as the final nail in the coffin.Celtic finished last season in second place, finishing a whopping 15 points behind winners and bitter rivals Rangers. New manager Ange Postecoglou will be tasked with leading The Hoops back to the summit, but it will be a difficult task considering the roster quality the Rangers possess.Meanwhile, Hearts registered a narrow 1-0 win over Inverness CT in their last competitive fixture. Hearts' Jamie Walker scored the only goal of the game.Hearts vs Celtic Head-to-HeadHearts and Celtic have played 87 games against each other so far. Celtic have won 63 matches, while 10 games have ended in draws. A total of 14 matches have been won by Hearts.The two sides last met each other in the Scottish Cup in December 2020, when Celtic ended up winning 4-3 on penalties.Hearts form guide: W-W-L-W-WCeltic form guide: W-D-L-D-LHearts vs Celtic Team NewsHearts John Souttar is doubtful for the clash against Celtic with a minor knock.Liam Boyce is expected to start upfront with Armand Gnanduillet dropping to the bench.Injuries: NoneDoubtful: John SouttarSuspension: None📸 Beni trained with his new teammates for the first time today 💪 pic.twitter.com/ZOGR9q01zr— Heart of Midlothian FC (@JamTarts) July 29, 2021Celtic Celtic will welcome Nir Bitton back into the fold after he was suspended for the game against Midtjylland.Christopher Jullien is out with a knee issue, while star striker Karamoko Dembele and Mikey Johnston have also been sidelined with injuries. Leigh Griffiths' participation is in doubt due to a minor problem.Injuries: Christopher Jullien, Karamoko Dembele, Mikey JohnstonDoubtful: Leigh GriffithsSuspension: NoneHearts vs Celtic Predicted XIHearts predicted XI (3-4-2-1): Craig Gordon, John Souttar, Craig Halkett, Stephan Kingsley; Michael Smith, Peter Haring, Andy Halliday, Alex Cochrane; Josh Ginnelly, Gary Mackay-Steven; Liam Boyce🍀 It’s been another busy week on @CelticTV 📺✅ #WelcomeStarfelt ✅ Ange Postecoglou ✅ @CelticFCB➕ More!Catch up with the news and action below ⤵️#COYBIG 🟢⚪️— Celtic Football Club (@CelticFC) July 29, 2021Celtic predicted XI (4-3-3): Vasilis Barkas, Anthony Ralston, Stephen Welsh, Nir Bitton, Greg Taylor; David Turnbull, Ismaila Soro, Callum McGregor; Liel Abada, Odsson Edouard, Ryan ChristieHearts vs Celtic PredictionCeltic go into Saturday's game as heavy favorites. Hearts are a newly-promoted side and fans can expect The Hoops to dominate all phases of the game. In all likelihood, Celtic will start their season with an emphatic win.Prediction: Hearts 0-4 CelticAlso read: Fabrizio Romano's Transfer Roundup: Chelsea's plans for the transfer window, Arsenal complete signing and more