Please note that Mommsen uses the AUC chronology (Ab Urbe Condita), i.e. from the founding of the City of Rome. You can use this reference table to have the B.C. dates
From: The History of Rome, by Theodor Mommsen
Translated with the sanction of the author by William Purdie Dickson
Sulla in Campania Opposed by Norbanus and Scipio - Sulla Gains a Victory over Norbanus at Mount Tifata - Defection of Scipio's Army
Reinforced thus considerably both in a moral and material point of view, Sulla and Metellus marched from Apulia through the still insurgent Samnite districts towards Campania. The main force of the enemy also proceeded thither, and it seemed as if the matter could not but there be brought to a decision. The army of the consul Gaius Norbanus was already at Capua, where the new colony had just established itself with all democratic pomp; the second consular army was likewise advancing along the Appian road. But, before it arrived, Sulla was in front of Norbanus.
A last attempt at mediation, which Sulla made, led only to the arrest of his envoys. With fresh indignation his veteran troops threw themselves on the enemy; their vehement charge down from Mount Tifata at the first onset broke the enemy drawn up in the plain; with the remnant of his force Norbanus threw himself into the revolutionary colony of Capua and the new-burgess town of Neapolis, and allowed himself to be blockaded there. Sulla's troops, hitherto not without apprehension as they compared their weak numbers with the masses of the enemy, had by this victory gained a full conviction of their military superiority, instead of pausing to besiege the remains of the defeated army, Sulla left the towns where they took shelter to be invested, and advanced along the Appian highway against Teanum, where Scipio was posted.
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Reference address : https://www.ellopos.net/elpenor/rome/4-09-cinna-sulla.asp?pg=35