Complex sentence: Graham was re-signed by the Saints on December 17,2013 to replace Garrett Hartley after he was cut from the Saints after he missed two close range field goals in a game against the St.Louis Rams.
Split into simpler sentences: Graham was re-signed by the Saints on December 17,2013 to replace Garrett Hartley. Hartley had been cut from the Saints after he missed two close range field goals in a game against the St.Louis Rams.