As praetor in 111 BC, he was sent to Numidia to bring Jugurtha to Rome to testify in corruption trials, promising him safe passage. Jugurtha valued this pledge as much as the public pledge for his safety. In 108, he came first in the polls and was elected senior consul for 107, with Gaius Marius (who came in second) as his junior colleague.
In 111 BC, while acting as praetor, he was sent to Numidia to bring Jugurtha to Rome for corruption trials. He promised Jugurtha safe passage and considered this pledge valuable. In 108, he won the election for senior consul alongside Gaius Marius (who came second).