Adi, 23, appeared in nine league matches (6 starts) for FC Copenhagen during the 2013-14 Danish Super Ligaen season, scoring three goals, including a tally in his debut for the club in a 1-1 draw against FC Vestsjælland on Aug. 25, 2013. The 6-foot-4 forward also featured in three group-stage matches during the 2013-14 UEFA Champions League tournament, earning a start in a 1-1 draw against Italian club Juventus and making substitute appearances against Real Madrid and Turkish club Galatasaray.
Prior to joining FC Copenhagen, Adi played for Slovakian second-division side AS Trencin from 2009-11, registering 18 league goals in 41 matches. He tallied 11 goals during the 2010-11 season, helping AS Trencin gain promotion to the first division before signing with Ukrainian club Metalurh Donetsk for the remainder of the 2010-11 Ukrainian first-division season.
Adi rejoined AS Trencin for the 2012-13 season, appearing in 16 matches and scoring three goals. Starting the 2013-14 campaign with the Slovakian side, Adi tallied seven goals in just three league matches, including a pair of hat tricks. In two separate stints with the club, Adi recorded 27 goals in 60 league matches.
Playing in the 2013-14 Europa League tournament, Adi tallied a brace to lead AS Trencin to a 2-1 win against Swedish side IFK Göteborg in the deciding second-leg match of the second qualifying round. He registered another goal in the second leg of the third qualifying round as AS Trencin played to a 2-2 draw with Romanian club Astra Giurgiu, falling 5-3 on aggregate.
Adi will occupy an international slot on the Timbers roster.