Peter Quillin takes on world champion Andy Lee in Brooklyn on April 11 . Quillin 's uncle died after battling cancer while he was in training camp . TL;DR The UFC is set to host a special event at Barclays Center this weekend for the first time since it moved from Madison Square Garden in New York City back to its original home of Las Lee won the WBO middleweight title against Matt Korobov last December .
Peter Quillin takes on world champion Andy Lee in Brooklyn on April 11 . Quillin 's uncle died after battling cancer while he was in training camp . Quillin did not attend the funeral , instead concentrating on his training . Lee won the WBO middleweight title against Matt Korobov last December .