Jackson
Jackson, who has scored nine Premier League goals this season, was injured in their 2-1 win over West Ham United earlier this month but attempted to play on before being taken off in the second half.
Jackson scored 12 goals in 26 league matches last term. He also made his debut for Senegal at the World Cup in Qatar, playing for 16 minutes in the 2-0 defeat by the Netherlands.
Ulster flyhalf Jackson, 26, was also found not guilty on a separate charge of sexual assault.
A South African judge on Friday .
