 The next day, the Romans lined up, and Hasdrubal sent the Numidian cavalry and light-armed Balearic and African troops to the lower plain.Scipio sent a contingent to hold the entrance of the river valley and another to block the road to the hill.He then set off towards the light infantry on the lowest brow of the hill with his light-armed men, who had routed the enemy outposts the day before.