Complex sentence: Colby Lopez (born May 28,1986) is an American professional wrestler who is currently signed to WWE under the ring name Seth Rollins and is the current WWE World Heavyweight Champion in his first reign.
Split into simpler sentences: Colby Lopez (born May 28,1986) is an American professional wrestler. He is currently signed to WWE, where he performs under the ring name Seth Rollins and is the current WWE World Heavyweight Champion in his first reign.