loss on 16 February 2013. When his loan spell at FC Lorient came to an end, Abu signed a loan deal until on 31 December 2013 with Danish club AGF on 2 September 2013. However, his time at the club saw the player make no appearances. On 18 December 2013, AGF announced that the club would not be extending his loan spell. Strømsgodset On 21 February 2014, Abu joined Norwegian side Strømsgodset again, this time on a permanent deal and signed a four–year contract with the club. However ahead of the 2014 season, he suffered an injury that it was thought could see him ruled out of the start of the season but he managed to make a recovery from injury. Abu played in both legs of the club's first ever UEFA Champions League match against Steaua București, as Strømsgodset lost 3–0 on aggregate. Despite missing two more matches later in the 2014 season, due to suspensions, Abu went on to make thirty appearances in all competitions. At the start of the 2015 season, he scored his first goal for the club – his first goal in three years for Strømsgodset – in a 5–0 win against FK Tønsberg in the first round of the Norwegian Cup on 22 April 2015. Abu played in every match following the start of the 2015 season until he was sent–off for a second bookable offence, in a 3–2 loss against Stabæk on 27 June 2015. After the match, manager Bjørn Petter Ingebretsen criticised Abu's sending off, saying the player "was tackled in the leg, he was on the ball, and he bleeds like that." Despite missing two more matches later in the 2015 season, he made thirty–six appearances, scoring twice in all competitions. During the 2016 season, Abu's performances attracted interest from Major League Soccer clubs, who were considering signing him for the following season. In response, he refused to respond over his future at Strømsgodset. During a 2–0 win against Rosenborg on 30 October 2016, Abu suffered a knee injury and was substituted in the 19th minute, in what turned out to be his last appearance for the club. Despite being absent three times throughout the 2016 season, he went on to make thirty–three appearances in all competitions. Columbus Crew SC On 24 January 2017, Abu moved to America, where he joined Major League Soccer side Columbus Crew SC as a Special