Complex sentence: The team plays in the nation's highest league, the WK-League, which moved to Gumi on 29 January 2016 and was renamed Gumi Sportstoto (before it was Daejeon Sportstoto).
Split into simpler sentences: The team plays in the nation's highest league, the WK-League. Recentley moved to Gumi on 29 January 2016 and renamed Gumi Sportstoto (before name Daejeon Sportstoto).