Sulęcki then faced former European champion and WBA middleweight world title challenger Grzegorz Proksa at the Krakow Arena, Poland in November 2014.
[2] Following that victory, the Pole teamed up with promoter Lou DiBella and manager Al Haymon and made his US debut against Darryl Cunningham at the UIC Pavilion, Chicago in April 2015.
Sulęcki landed a number left hooks under the right elbow of Rodriguez and the referee stopped the fight before the end of the first round.
In October, he fought Jack Culcay, backing up the World Boxing Super Series quarter-final match between Krzysztof Włodarczyk and Murat Gassiev.
After that, Sulecki fought former world middleweight champion Daniel Jacobs, who was ranked #2 by the WBA and WBO and #3 by the WBC and IBF at the time.