INDIANAPOLIS (WRTV) -- Indianapolis Colts wide receiver Keenan Allen was arrested Sunday morning on preliminary charges of driving while intoxicated.Online jail records show Allen faces two preliminary charges: Driving while int oxicated. Driving while intoxicated endangering a person.The arrest comes less than 24 hours after the Colts' final preseason game on Saturday afternoon. Allen recently joined the team, signing his contract on Aug. 19.This story will be updated as more information becomes available ...read more read less