YONNHY PEREZ vs. ABNER MARES

When: Saturday, May 22

Where: Staples Center, Los Angeles

TV: Showtime, 9 pm. ET (live) / PT (delayed)

Weight: Bantamweight (118 pounds)

Title(s) at stake: Perez’s bantamweight title

Also on the card: Israel Vazquez vs. Rafael Marquez, 12 rounds, featherweights (their fourth fight).

PEREZ

The essentials

Age: 31

Height / Reach: 5-7 (170cm) / 68 (173cm)

Stance: Orthodox

Hometown: Santa Fe Springs, Calif. (from Cartagena, Colombia)

Nickname: None

Turned pro: 2005

Record: 20-0 (14 knockouts)

Trainer: Danny Zamora

Fight-by-fight: http://boxrec.com/list_bouts.php?human_id=324300&cat=boxer

The Ring rating: No. 4 bantamweight

Titles: IBF bantamweight (2009-current)

Biggest victories: Silence Mabuza, May 29, 2009, TKO 12 (title eliminator); Joseph Agbeko, Oct. 31, 2009, UD 12 (won IBF title).

Losses: None

MARES

The essentials

Age: 24

Height: 5-5 (165cm) / 68 (173)

Stance: Orthodox

Hometown: Norwalk, Calif. (born in Guadalajara, Mexico)

Nickname: None

Turned pro: 1995

Record: 20-0 (13 knockouts)

Trainer: Joel Diaz

Fight-by-fight: http://boxrec.com/list_bouts.php?human_id=287904&cat=boxer

The Ring rating: No. 8 bantamweight

Titles: None

Biggest victory: Diosdado Gabi, March 15, 2008, TKO 2.

Losses: None