Complex sentence: Mychel played for the Cleveland Cavaliers and currently plays in the NBA Development League for the Sioux Falls Skyforce and his other brother, Klay, currently plays in the NBA for the Golden State Warriors.
Split into simpler sentences: Mychel played for the Cleveland Cavaliers and currently plays in the NBA Development League for the Sioux Falls Skyforce. His other brother, Klay, currently plays in the NBA for the Golden State Warriors.