BROOKLYN - Former two-division world champion Paulie "The Magic Man" Malignaggi (33-6, 7 KOs)held an open workout at Gleason's Gym in Brooklyn Wednesday before he takes on Danny O'Connor (25-2, 9 KOs)on Premier Boxing Champions on Spike, Friday, May 29 at 9 p.m. ET/6 p.m. PT live from Barclays Center.

Also working out at Gleason's Gym on Wednesday was undefeated bantamweight contender Heather "The Heat" Hardy (12-0, 2 KOs) and undefeated Brooklyn heavyweight Adam Kownacki (9-0, 9 KOs).

These fights will be part of an explosive evening headlined by boxing superstar Amir "King" Khan (30-3, 19 KOs)who faces tough New Yorker Chris Algieri (20-1, 8 KOs).  Doors at Barclays Center open at 6 p.m. ET.

Tickets for the live event, which is promoted by DiBella Entertainment and Star Boxing, are priced at $250, $150, $75 and $45, not including applicable service charges and taxes, and are on sale now. Tickets are available at www.barclayscenter.com, www.ticketmaster.com and at the American Express Box Office at Barclays Center. To charge by phone, call Ticketmaster at (800) 745-3000. For group tickets, please call 800-GROUP-BK.