However, he scored in an important 1975–76 UEFA Cup game that Roma won 2–0 against Östers IF, Boni played all 6 Roma games in that tournament.
Stefán Þór Þórðarson (Anglicised: Stefan Thor Thordarson) (born 27 March 1975) is a former Icelandic footballer who played as a striker for ÍA Akranes, Östers IF SK Brann, Kongsvinger IL, KFC Uerdingen, Stoke City, IFK Norrköping and FC Vaduz as well as the Iceland national team.
In February 2010, Jabu returned to Växjö to try and secure a long term deal with now Superettan newcomers Östers IF.