Springbok lock Lood de Jager will join the Bulls on a one-year deal after this season's Currie Cup.
The 2015 SA Rugby Player of the Year will leave the Cheetahs to link up with the Bulls on 1 November.
Although there was interest from the Lions, De Jager has ultimately opted to head to Pretoria.
'This is great news for us, not only because Lood is one of the best locks in the world, but also the fact that he sees the Bulls as a team that will enhance his career and ambitions,' Bulls high performance manager Janse van Rensburg said. 'This is a compliment to what we are trying to achieve and a massive boost to our vision to build something special again in Pretoria.'
De Jager said he was keen to join the Bulls, but reiterated that he still has unfinished business in Bloemfontein.
'I am pretty excited about my future with the Bulls and what they want to achieve in future. That said, I am still committed to the Cheetahs until the end of the season and will give my all in playing for them. They have been instrumental in the way my career developed and I want to thank them in the best way possible, by giving my all every time I take to the field for the Cheetahs.'
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