Weigh-In Results: Mielnicki vs. Gardzielik

NEWARK, N.J. — New Jersey’s own Vito Mielnicki Jr. (20-1-1, 12 KOs) is set to headline a thrilling night of boxing in front of a hometown crowd at the Prudential Center this Saturday, June 21, as he faces unbeaten Polish challenger Kamil Gardzielik (19-0, 4 KOs) in a 10-round middleweight main event.

The highly anticipated showdown will be contested for the WBO Global, USWBC, and USBA titles, with Mielnicki aiming to add more gold to his resume and hand Gardzielik his first professional loss.

Co-Main Event: Tucker vs. Simpson

Tensions will come to a head in the co-feature when Jahi Tucker (14-1-1, 6 KOs) and Lorenzo “Truck” Simpson (15-2, 9 KOs) settle their differences in the ring. The 10-round middleweight clash follows a fiery online feud, with both fighters trading verbal jabs over disputed sparring sessions and past claims. On Saturday night, the talk ends and the fists fly.

Heavyweight Collision: Knyba vs. Siwy

In a rare all-Polish heavyweight battle, undefeated punchers Damian Knyba (15-0, 9 KOs) and Marcin Siwy (25-0-1, 12 KOs) are set to square off in a 10-round showdown that could shake up the international heavyweight scene.

Broadcast Info

The action-packed card — including Mielnicki-Gardzielik, Tucker-Simpson, and Knyba-Siwy — will stream live exclusively on ESPN+ in the U.S. beginning at 5:30 p.m. ET / 2:30 p.m. PT.

Boxing fans can expect fireworks from Newark’s Brick City as some of the sport’s brightest rising stars look to make statements on one of boxing’s most electric platforms.

Weigh-In Results: Vito Mielnicki Jr. vs. Kamil Gardzielik:

(ESPN+, 5:30 p.m. ET/2:30 p.m. PT)

• Vito Mielnicki Jr. 159.5 lbs vs. Kamil Gardzielik 159.5 lbs(WBO Global, US WBC, and USBA Middleweight Titles — 10 Rounds) • Jahi Tucker 160 lbs vs. Lorenzo Simpson 159.5 lbs(Middleweight — 10 Rounds) •  Damian Knyba 254.5 lbs vs. Marcin Siwy 244 lbs(Heavyweight — 10 Rounds)

•   Brandun Lee 143 lbs vs. Elias Araujo 142 lbs(Junior Welterweight — 8 Rounds)

•   Dwyke Flemmings Jr. 154 lbs vs. Demián Fernandez 154 lbs  (Junior Middleweight — 8 Rounds)

•   Norman Neely 249.5 lbs vs. James Willis 262.5 lbs  (Heavyweight — 8 Rounds)

•   Arjan Iseni 175 lbs vs. Kaine Tomlinson Jr. 175 lbs  (Light Heavyweight — 4 Rounds)

•  Muadh Abdus-Salaam 144 lbs vs. Roberto Cantos 145.5 lbs  (Welterweight — 4 Rounds)

•   Kahshad Eliott 154 lbs vs. Titus Ashe 153 lbs  (Junior Middleweight — 4 Rounds)

(OFF TV, 5:10 p.m. ET/2:10 p.m. PT)

•   Jamar Talley 197.5 lbs vs. Kurt Fleming 204.5 lbs  (Heavyweight— 4 Rounds)

(Swing Bout)

•   Lisandra Contreras 121 lbs vs. Montana Weems 122 lbs  (Junior Featherweight — 4 Rounds)

Roberto Villa is the CEO, Founder, Executive Writer, Senior Editor of FightBook MMA. Has a passion for Combat Sports and also a podcast host for Sitting Ringside. He’s also a former MMA fighter and Kickboxer.

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