But the deal was called off when the 17 - year - old suffered a heartbreaking knee ligament injury before he was due to sign. (mirror.co.uk)
The former Sweden international suffered cruciate knee ligament injury in the last part of last season and was released by the club. (fastonetwo.com)
The 22 - year - old rose through the ranks of the Arsenal youth academy and began to break into the first team during the 2011/12 season, but loan spells with Wolverhampton Wanderers and Fulham were flanked by a second serious cruciate knee ligament injury in 2012. (caughtoffside.com)