Complex sentence: He lost to Eric Young on May 1,2015 in a stretcher match with the title not on the line, He was successful defending his title against Lashley once and then again against both Lashley and Eric Young.
Split into simpler sentences: He lost to Eric Young on May 1, in a stretcher match with the title not on the line. He successful retained his title against Lashley once and then again against both Lashley and Eric Young.