Mariano Álvarez de Castro led 5,600 soldiers of the Vanguard Division. The Vanguard included 100 cavalry in the volunteer San Narciso Hussars, the regular foot regiments of Ultonia Irish (300), Borbon (500), 2nd Barcelona (1,000), and 1st Wimpfen Swiss (400), and the volunteer tercios 1st Gerona (900), 2nd Gerona (400), Igualada (400), Cervera (400), 1st Tarragona (800), and Figueras (400). General Conde de Caldagues commanded the 4,998-strong 1st Division which consisted of six artillery pieces manned by 70 gunners, 50 sappers, the cavalry regiments Españoles Hussars (220) and Catalonia Cazadores (180), the regular infantry regiments the 2nd Walloon Guards (314), Soria (780), Borbon (151), 2nd Savoia (1,734), and 2nd Swiss (270), and the volunteer tercios Tortosa (984) and elements of Igualada and Cervera (245). General Laguna supervised the 2,360-man 2nd Division with seven guns manned by 84 artillerists, 30 sappers, Españoles Hussars (200), two battalions each of provincial grenadier militia of Old Castile (972) and New Castile (924), and the Zaragoza Volunteers (150). General La Serna's 2,458-man 3rd Division comprised the regular two-battalion Granada Regiment (961), and the volunteer units 2nd Tarragona Tercio, Arzu division (325), and Sueltas companies (250). General Francisco Milans del Bosch led the 4th Division which was made up of 3,710 volunteer soldiers in the following tercios, 1st Lerida (872), Vich (976), Manresa (937), and Vallès (925). The 907-strong Reserve included four guns manned by 50 artillerymen, 20 sappers, 80 Españoles Hussars, a 60-man detachment from the Spanish Guards, the detached grenadiers from the Soria (188) and Wimpfen (169) Regiments, and the General's bodyguard (340). Two divisions of Granadan reinforcements under Reding were just arriving or on the way. The 1st Division numbered 8,200 men and included one battalion of the 2nd Reding Swiss Regiment (1,000) and two 1,200-man battalions each of the 1st Granada, Baza, and Almeria Regiments. The 6,000-man 2nd Division consisted of 1,200-man battalions. These were the one-battalion Antequera and the two-battalion Santa Fé and Loxa Regiments. The Granada Hussars with 670 sabers and six artillery pieces worked by 130 gunners accompanied Reding's force. In addition, the 3rd Division of the Army of Aragon under General Luis Rebolledo de Palafox y Melci, 1st marqués de Lazán was instructed to reinforce Vives on 10 November. The division numbered 4,688 soldiers and comprised 64 gunners, one troop of the Ferdinand VII Cazadores Cavalry (22), and the volunteer infantry battalions 1st Zaragoza (638), 3rd Zaragoza (593),