Butch James has signed a new three-year deal with current Guinness Premiership leaders Bath.
London Irish suffered their second defeat in as many matches as they went down 20-16 to Bath at the Madjeski Stadium.
Bath fly-half Butch James has made himself available to play against Bristol at the Memorial Stadium on Sunday.
South Africa's hopes of winning the Tri-Nations were ended by a 27-15 defeat to Australia in Durban on Saturday.
A nail-biting second Test in South Africa saw Wales give the Springboks a real run for their money before losing 37-21 in Pretoria.
South Africa underlined their status as world champions with a 43-17 victory over Wales in the high altitude of Bloemfontein.
South Africa fly-half Butch James has admitted he is honoured to be back playing for his country again.
Bath fly-half Butch James has revealed he is "determined" to bring silverware to the Rec this season.
World Cup-winner Butch James is set to be sidelined for several weeks after damaging his shoulder in the 26-20 defeat to Saracens.
Bath's star signing Butch James is hoping for a repeat performance at fly-half for his adopted club when they tackle Overmach Parma.
Bath have signed South Africa fly-half Butch James on a two-year deal.