Conversation so far:
Who did Al Costello manage?
In 1975, Costello surprised everyone by returning to professional wrestling as the manager of the team known as The Love Brothers (Hartford and Reggie Love)
How did wrestling team The Love Brothers do mangaged under Al Costello?
Are there any other interesting aspects about the Al Costello article besides managing The Love Brothers?
Costello reformed The Fabulous Kangaroos once more, this time teaming up with wrestler Tony Charles.
What happened after Al Costello and Tony Charles teamed up to reform The Fabulous Kangaroos?
The team defeated Dominic DeNucci and Chris Markoff to win Detroit's version of the NWA World Tag Team title

Question: Did they defeat anyone else?
Self-contained rewrite: Did The Fabulous Kangaroos defeat anyone else after defeating Dominic Denucci and Chris Markoff to win Detroit's version of the NWA World Tag Team Title?