GKS Katowice strengthens during transfer window. Ekstraklasa player's goal, who will help the club in the fight for the championship. The new player of GKS Katowice is [player's name]. This player has a lot of experience in Ekstraklasa and is considered one of the best players in the league. GKS Katowice is counting on the new player to help them in the fight for the championship. This season, GKS Katowice has ambitious goals and is counting on the new player to help them achieve them. GKS Katowice is one of the best clubs in Ekstraklasa and is counting on the new player to help them maintain their position at the top of the table. GKS Katowice also has ambitious goals in European cups and is counting on the new player to help them achieve them. GKS Katowice is one of the most ambitious clubs in Ekstraklasa and is counting on the new player to help them achieve their goals.