Unbeaten IBF Welterweight Champion Errol "The Truth" Spence Jr. and WBC Champion "Showtime" Shawn Porter made their grand arrivals Tuesday as they near their title unification showdown that headlines a FOX Sports PBC Pay-Per-View this Saturday, September 28 from STAPLES Center in Los Angeles. (photos by Stephanie Trapp)

Tuesday's open to the public event featured live musical performances from Casey Veggies, Young Miller Tha Don, Ohana Bam, Mariachi Espuelas de Jalisco and was hosted by Jason Lee of Hollywood Unlocked at Xbox Plaza at L.A. Live.

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Fighters competing in pay-per-view undercard action were also in attendance Tuesday including WBC Super Middleweight World Champion Anthony "The Dog" Dirrell and David "El Bandera Roja" Benavidez, who meet in the co-main event, unbeaten Mario "El Azteca" Barrios, who battles Batyr Akhmedov for the vacant WBA Super Lightweight title, and all-action veterans Josesito Lopez and John Molina Jr., who compete in a 10-round welterweight fight.

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Plus, former three-time world champion Robert "The Ghost" Guerrero and top 154-pound prospect Joey Spencer were also in attendance ahead of their FOX Sports PBC Pay-Per-View Prelims on FS1 and FOX Deportes attractions.

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