Sheffield United completes set of titles with 3rd-tier win (The Associated Press)

Sheffield United completed the set of English professional league titles on Saturday after being crowned champions of the third tier. The Blades wrapped up the League One title thanks to second-placed Bolton losing to Oldham. Statistics company Opta says United is the fourth team to have won each of England's four professional leagues after Burnley, Preston and Wolverhampton Wanderers.