Juventus defender Federico Gatti is at risk of missing the opening match of their Serie A season through injury after being bizarrely tackled by a fan during a pre-season match.Gatti had been playing in an annual pre-match fixture at the Allianz Stadium, which sees Juventus’ first team take on their NextGen side.As part of the tradition of the match, fans typically invade the pitch during the latter stages of the event, which is billed as a family-friendly celebration.The pitch invasion began early this year, with one fan jumping over the barriers and racing onto the field of play, with hundreds more following.Footage showed the fan racing across the pitch in the direction of Gatti, who was facing away and unaware of the supporter.An unfortunate slip saw the fan lose balance and slide two-footed into the Juventus defender at speed, knocking the Italian to the ground. Juventus defender Federico Gatti was slide tackled by a fan during a pre-season friendly The fan, who participated in a traditional pitch invasion, slipped when approaching the unaware Gatti and sent the defender crashing to the pitch Gatti was forced to miss Juventus’ latest training session and is now reportedly a doubt for their opening match of the season this weekendOther fans were quickly on the scene of the incident, which fortunately ended without Gatti suffering a serious injury.The 28-year-old Italian, however, was still forced to miss Juventus’ latest training session on Thursday with an ankle problem sustained from the fan’s accidental slide tackle.While Gatti sitting out of training was seen as a precaution, Gazzetta Dello Sport reported that there is a chance the defender could miss their opening Serie A match with Frosinone on Sunday.Juventus are now said to be reconsidering the future format of the annual friendly following the incident.Along with Gatti’s issue, the club has reportedly determined that £43,000 of damage had also been caused at the Allianz Stadium at the event, which needs to be repaired ahead of their first home game of the season.