Aberdeen’s Uefa Conference League opponents Shakhtar Donetsk have been rocked by a leg break to their £14million star winger. Jimmy Thelin’s Dons begin their Conference League campaign with a home match against the Ukrainian side on Thursday, October 2. However the Ukrainian Cup holders will travel to Pittodrie minus Brazilian winger Alisson Santana who is set to undergo surgery. Star winger to undergo surgeryHe also featured in both legs of the Conference League play-off win against Servette of Switzerland. Brazilian under-20 international Alisson was absent from the squad for Shakhtar Donetsk’s 1-0 league win against Zorya at the weekend.