Drusus had been elected censor along with…

Drusus had been elected censor along with the elder Marcus Aemilius Scaurus in 109 BCE, but had died the following year.

Gaius Marius, ordered to replace Metellus (given the title "Numidicus" for his efforts, although he has accomplished precisely nothing in his time there) and prosecute the war in Numidia, disregards standing recruitment qualifications and regularizes the recruitment of the landless poor, thus transforming the citizens’ militia into a professional army.