The four fighters who will compete in this Saturday’s doubleheader on Showtime (10:30 p.m. ET/PT, delayed on the West Coast) participated in the final press conference Wednesday at the Verdanza Hotel here.

In the main event, Juan Manuel Lopez (30-0, 27 KOs) will risk his unblemished record and WBO featherweight title against former IBF 126-pound titleholder Orlando “Siri’’ Salido (34-11-2, 22 KOs), of Ciudad Obregon, Mexico.

The co-feature from Ruben Rodriguez Coliseo in Bayamon, Puerto Rico, will pit promising, undefeated Luis Cruz (17-0, 14 KOs), of Philadelphia by way of Las Piedras, Puerto Rico, versus late substitute and No. 8 IBF contender, Martin “El Brochas’’ Honorio (29-5-1, 15 KOs), of Mexico City, in a 10-round junior lightweight bout. Bob Arum’s Top Rank, Inc. will promote the doubleheader.