What event was held on 27 May 2013 that featured one team that also competed in the League Cup and FA Cup?
2013 Football League Championship play-off Final The 2013 Football League Championship play-off final was a football match contested by Crystal Palace and Watford on 27 May 2013 at Wembley Stadium to decide the third and final team to be promoted from Football League Championship to the Premier League for the 2013–14 season.
2013–14 Millwall F.C. season The 2013–14 Football League Championship was the 127th season in the history of Millwall Football Club. It was their 87th season in the Football League and 39th in the second tier of English football. It was Millwall's fourth continuous season in the Championship, after promotion from the Football League One in 2010.