Answer
Roberto Martínez's Swansea team won League One by dominating the league with a possession-based style of play and a strong defensive record. They finished the season with 93 points, having won 29 games, drawn 6 and lost only 3. They scored 88 goals and conceded only 23, the best defensive record in the league. This success earned Martínez the League One Manager of the Year award.