Nathan Patterson has joined team-mate Kieran Tierney on suspicion of injury in Scotland’s World Cup play-off semi-final against Ukraine. Everton manager Frank Lampard says right-back Patterson’s season has “possibly” ended after an injury in training that required surgery. Following Monday’s news that Arsenal’s Tierney “does not look well” after a knee injury with Scotland. “Nathan Patterson will be out for a while,” Lampard said. “He will have a small operation on his ankle later this week.” Impressing Scotland in friendly draws with Poland and Austria, Patterson was set to make his Premier League debut for Everton against West Ham last weekend, having played just 45 minutes for his new team from Ian. of 20 years old. moved from Rangers. Tierney played in both recent home games before losing to Crystal Palace and team manager Mikel Arteta told Sky Sports on Monday: “He returned from the international mission and felt something wrong in his knee. “It simply came to our notice then. We hope to find out more on Tuesday, but it does not look good. “He sees the specialist on Tuesday and we will learn more about the extent of the injury, but the feeling he had was not really positive and what the tomography showed.” Scotland is expected to face Ukraine in its late semi-final in early June. Ukraine’s visit to Hampden Park, originally scheduled for last week, has been postponed due to Russia’s invasion of the country. The winners of this game will face Wales in a unique game to reach the finals in Qatar starting in November. While Patterson recently usurped Motherwell’s Stephen O’Donnell as his first choice, the 24-year-old Tierney is a player on Steve Clarke’s side, usually playing on the left side of a three-pointer with Liverpool captain Andy Robertson at left-back. .