Mike Jones, a youth coach from England who worked with the club's youngsters, was stabbed to death in Union Square, New York in the early hours of Sunday morning
Jones, 25, was an English youth coach from Liverpool responsible for working with the Red Bulls’ young players before they entered club’s youth academy.
The Red Bulls confirmed Jones' death and issued a statement saying he was a dedicated soccer fan and beloved friend.
“We are aware of this tragedy and on behalf of the entire organisation, want to send our most heartfelt condolences to Michael’s family, friends and loved ones," the statement read.
"He was a tremendous individual, a fantastic coach who loved soccer and a terrific friend for many of us.
“This is truly a sad day for our soccer community and we will do our utmost to help authorities in their investigation of this case. Our thoughts and prayers are with Michael’s family at this time.”
Tim Cahill, the former Everton star who joined the Red Bulls in the summer, paid his own tribute via his official Twitter account.
"So sad to hear the news about Mike Jones a coach @NewYorkRedBulls, my thoughts are with his family and friends," he wrote.
Police in Manhattan are still trying to determine a motive for the murder, and are yet to make any arrests.
Mr. Jones is not to be confused with former Red Bulls defender Mike Jones, who now plays for FC Hjørring in Denmark.