Event: Welterweight bout for the World Boxing Council (WBC) championship. Weight limit: 147 pounds. Fifteen rounds or less.

Opponents: Champion Roberto Duran of Panama City, Panama, against Sugar Ray Leonard of Palmer Park, Md.

Date: Today.

Site: New Orleans Superdome.

Time: Preliminary bouts begin at 7:30 p.m. (EST), main event at approximately 10 p.m.

Sanctions: World Boxing Council and Louisiana State Athletic Commission.

Organizer: Facility Enterprises, Inc.

Cost of fight rights: $17.2 million.

Basic boxer purses: Duran $10 million; Leonard $7 million.

Ticket information: $1,000, $500, and $300 on the floor and $200, $150, $75, $50 and $40 on the tiers. $200 and $50 tickets are sold out with few tickets remaining at $1,000, $300 and $200. Tickets available at Superdome only. Information: 800-535-7918.

Stadium capacity: 79,758.

Television: Closed circuit only, seen in the Washington area at Capital Centre and the Washington Hilton for $50. ABC-TV will televise tape of fight at a later date.

Radio: No live broadcast, but WRC-AM-980, WMAL-AM-630 and WTOP-AM-1500 will give round-by-round reports.

Preliminary bouts: Beginning at 7:30 p.m. -- Melvin Paul, New Orleans, versus Chubby Johnson, New Orleans, lightweights, four rounds; Larry Tattman, New Orleans, versus Tyrone Powell, New Orleans, junior middleweights, four rounds; Mark Holmes, Easton, Pa., versus Bruce Calloway, New Orleans, middleweights, six rounds; Roger Leonard, Palmer Park, Md., versus Melvin Dennis, Houston, junior middleweights, 10 rounds; Marvin Camel, Missoula, Mont., versus Carlos DeLeon, San Juan, WBC cruiserweight championship, 15 rounds.