Complex sentence: The half-brothers would eventually announced that they will be participating at WrestleMania XXX in the 31-man battle royal for the André the Giant Memorial Trophy, but in the battle royal, the Rhodes Brothers were both eliminated by Alberto Del Rio.
Split into simpler sentences: The half-brothers announced that they would be participating at WrestleMania XXX in the 31-man battle royal for the André the Giant Memorial Trophy. However, in the battle royal, the Rhodes Brothers were both eliminated by Alberto Del Rio.