O.J. Simpson was arrested Sunday and faces multiple felony charges in an alleged armed robbery of collectors involving the former football great's sports memorabilia, authorities said. Simpson was arrested shortly after 11 a.m. without incident at the Palms hotel-casino, Capt. James Dillon said. Prosecutors were preparing to charge Simpson with two counts of robbery with use of a deadly weapon, conspiracy to commit robbery, burglary with a deadly weapon, two counts of assault with a deadly weapon and coercion, according to Clark County District Attorney David Roger.