Battle of Churubusco
With the rout of Valencia, Twiggs' army was in full pursuit as they retreated toward Mexico City. Santa Anna had to fall to his second line of defense at fortifications he has created at the Churubusco River. He ordered Major General Nicolás Bravo at San Antonio and Brigadier General Antonio Gaona at Mexicalzingo both to fall back to Churubusco, where soon the Battle of Churubusco would commence.