Super Lightweight, Cletus “The Hebrew Hammer” Seldin fights and trains out of Shirley, Long Island. Cletus is promoted by NY and CT Hall of Fame promoter, Joe DeGuardia. Cletus was born into a tough line of Jewish Americans; his Grandfather was the leader of the Brooklyn biker gang known as the Dragons and his father is known as the “Iron Man”. Cletus has become a huge fan favorite. His take no prisoners style and one punch knockout power has electrified fans time and time again. He is the current NABA Super Lightweight Champion and former WBC Silver International Champion.

As a kid Cletus was a gifted athlete, his natural ability allowed him to quickly excel to the top level of competition. Cletus was a New York State championship wrestler as well as an All Long Island cornerback for Longwood Highschool, where received the “Bulldog” award due to his tenacious style of play. In a televised game, Cletus hit a player so hard that the replay was prohibited from being on air because it was too violent.

Cletus’s strong work ethic and hunger to win translated to dominance in the ring. His come forward, throwback style reminiscent of the greats of boxing’s past like Marciano creates a fear in his opponents. He becomes the cerebral assassin that baits you with the left and puts you to sleep with the “Hebrew Hammer” right.

Cletus is currently 25-1 (21KO’s) as a pro. Cletus uses his strong punching ability to break down opponents. His willingness to go to the end and his no quit attitude allow him to excel in the ring, while his punching power keeps you on the edge of your seat at every moment.


Seldin vs Bayan Jargal | The Paramount | December 20, 2014

In front of a sold-out crowd in the Paramount in Huntington, NY, power punching prospect Cletus “The Hebrew Hammer” Seldin captured the vacant WBC International Jr. Welterweight title with a thrilling 9th round TKO over tough Bayan “The Mongolian Mongoose” Jargal.

The Boxing voice writes, “Seldin started like a house on fire as the bell rang for round 1 as he charged right at Jargal and dropped him almost immediately with a picture-perfect right hand. The next three rounds saw toe to toe exchanges much to the delight of the crowd as each fighter landed numerous blows. Seldin exploded as the bell sounded for round 7 dropping Jargal for the second time with a 3-punch combination.

The 2 combatants continued to throw everything they had at each but eventually Seldin would get to Jargal late in the 9th round of the scheduled 10 round bout and finally got the stoppage win at 2:46 of the round after a barrage of hard punches to the head.

Watch the Seldin-Jargal fight here:

Seldin vs Roberto Ortiz| Nassau Coliseum | November 11, 2017

Cletus “The Hebrew Hammer” Seldin couldn’t have scripted his HBO debut any better. In the first round, Cletus in typical fashion, came out of the gate strong, and dropped Ortiz twice after a succession of body shots, before finishing Ortiz in the third from a powerful right hand.

With his debut fight on HBO, Cletus was able to show how his athletic ability and his pictureperfect right hand could take the division by storm. His desire to not only compete but win in style shows why he had become a fan favorite.

Rating his performance Seldin had this to say: “I give myself an A! I could’ve took him out a little bit earlier, but I showed my determination, I kept coming, trying to land that big shot. I could do it with either hand, I was really trying to set him up. You could see how rough and tough and old school style I fight. You gotta be in great shape to take me down.”

“I put the work in. You can see what happens, just going three or four rounds with me. I am a wrecking machine from Long Island!”

Just six weeks later, Seldin became only the third fighter in history to fight on HBO in back to back months, alongside only Hall of Famers Mike Tyson, and Roy Jones Jr.

Seldin vs Zab Judah| Turning Stone Resort Casino | June 6, 2019

Cletus “The Hebrew Hammer” Seldin captured one of the biggest wins in his career defeating former two-time division title holder Zab Judah at the 1:40 mark of the 11th round for the impressive TKO decision.

After a barrage of heavy left and right hands to the head in the early round, Cletus was able to deal tremendous punishment and establish his dominance. He never looked back and won by a TKO in the 11th round, capturing the NABA Super Lightweight Championship.

Watch Seldin-Judah here:

Amateur Career:

Seldin had a successful amateur career with a record of 26-2.
● Fought in the Finals of the New York State Golden Gloves and National Golden Gloves.
● Ringside Amateur World Champion in 2009
● 2010 Long Island Amateur Champion