Original sentence: He made his ECW debut defeating Jack Meridol, a jobber wrestler on the July 9, 2009 episode.On the August 4th edition of ECW, Jackson turned face after defeateing a local competitor and then having a confrontation with Vladimir Kozlov
Edited sentence: He made his ECW debut defeating Jack Meridol, a jobber—a wrestler who consistently loses to make his opponents look stronger—on the July 9, 2009 episode