Martin O'Neill has expressed his optimism about the return of the Green Brigade ultras group, stating that it will be a significant boost to Celtic's title challenge. This comes after the lifting of their suspension, which was put in place due to concerns over their behavior during matches. The Green Brigade, known for their passionate and intense support of the Hoops, have been a thorn in the side of opposing teams for many years. Founded in 2009, the group has grown to become a beloved and integral part of the Celtic family, with their creative and often provocative displays of support bringing a unique energy to Parkhead. With their return, the atmosphere at Celtic Park is likely to reach new heights, and O'Neill believes this will have a direct impact on the team's performances. Celtic's title challenge is gaining momentum, with the team sitting top of the league table after a strong start to the season. The Hoops' squad boasts a wealth of talent, with a blend of experienced players and exciting young prospects. With the likes of [named player] and [named player] leading the charge, Celtic are well-equipped to mount a serious challenge for the title.