His first boxing card in Philadelphia was on September 30, 1969, with the main event at the Blue Horizon featuring Bennie Briscoe vs. Tito Marshall.
Some top Philly area fighters Peltz showcased include Bennie Briscoe (whom Peltz promoted for 10 years), Willie Monroe, Bobby Watts, Eugene Cyclone Hart, Stanley "Kitten" Hayward, Mike Rossman, Sammy Goss, Richie Kates, Tyrone Everett, George Benton, Curtis Parker, Jeff Chandler, and Matthew Saad Muhammad.
Other out-of-town fighters who boxed for Peltz at the Spectrum included Marvin Johnson, Ernie Terrell, Earnie Shavers, Michael Spinks, Emile Griffith, Thomas Hearns, Roberto Durán, Alfredo Escalera, Jesse Burnett, Yaqui López, Ron Lyle, Don Fullmer, Billy Douglas, Eddie Mustafa Muhammad, and Bobby Chacon.
When Tyrone Everett challenged Alfredo Escalera at the Spectrum for the WBC junior lightweight title in 1976, the 16,019 in attendance set the record for the largest crowd ever to watch a fight indoors in Pennsylvania.
In 1978, when Bennie Briscoe faced Marvelous Marvin Hagler at the Spectrum in a 10-round match, the 14,950 fans in attendance established the record for the largest indoor crowd in Pennsylvania history for a non-championship fight.
Peltz also promoted Jeff Chandler, the Hall-of-Fame bantamweight champion, who claimed the WBA crown in 1980 by knocking out Julian Solís in Miami, Florida.
Additionally, Aaron Pryor made the last successful defense of his IBF junior welterweight title against Gary Hinton on a Peltz-promoted card at the Sands in 1985.
World champions, both past and future, who boxed for Peltz at the Blue Horizon included Tim Witherspoon, Bronco McKart, Alfred Kotey, Julio Borboa, Prince Charles Williams, Fernando Vargas, Choo Choo Brown, Nate Miller, Dwight Qawi, Gary Hinton, Bernard Hopkins, Matthew Saad Muhammad, Jeff Chandler, Antonio Tarver, Frankie Randall, Bonecrusher Smith and Orlando Canizales.