Celtic's exit from the Champions League was a major blow to the club, especially as the team's performance was disappointing against Austria's LASK in the playoff round.
Celtic is preparing to face Falkirk in the fourth round of the Scottish Premiership, with the team currently in first place with 6 points.
According to "67 hailhail," a website dedicated to Celtic fans and club news, manager Martin O'Neill needs to make significant changes, primarily by giving Heitham Hassan and Callum O'Sullivan a chance to play.
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Celtic's need to rely on the duo is growing, and the Egyptian star's absence is puzzling, as he did not play against LASK despite being one of the most prominent summer signings.
Celtic should not field Sebastian Toner and Luke McCowan, who had a poor night against LASK, and Yannick Agogo also delivered a modest performance, so the team needs to inject fresh blood and deploy both Heitham Hassan and O'Sullivan on the flanks.
It is worth noting that Heitham Hassan joined Celtic from Real Oviedo on a four-year contract with an option for an additional year.