The Red Bulls defeated the Union 3-0 on Saturday and have virtually wrapped up third place in the MLS East.
The Fire jumped three points ahead of the Red Bulls in the Eastern Conference, with two games remaining.
Thierry Henry scored in the 71st minute to lift the Red Bulls to a 1-0 victory over the Chicago Fire on Wednesday.
Red Bulls’ defender Wilman Conde was arrested early Saturday in Fort Lee.
On the field with some of soccer’s biggest names, Sean Johnson stole the show. The Chicago Fire goalkeeper made seven saves Sunday night, including two on shots by Thierry Henry and another by Juan Pablo Angel in stoppage time.