Former D.C. United midfielder Danny Szetela was arrested after fighting with patrons in a Boonton, N.J. bar. Although Szetela was with the Black-and-Red for just the 2009 season, making nine appearances and one start, before being waived this past March, he had been a rising star in the U.S. national youth system. Szetala, 23, and his two brothers were charged with disorderly conduct before being released pending a court date….