Dynamo 1, Fire 1 foxsports Apr 23, 2011 at 1:00a ET Dynamo defender Bobby Boswell scored on a header in the 83rd minute in Houston’s1-1 tie with the Chicago Fire on Saturday night in Major League Soccer. Article continues below ... One of a half-dozen Houston players crowding the penalty area, Boswell headed Brad Davis’ corner-kick low to the left of goalkeeper Jon Conway. Houston (2-1-3) is unbeaten in its last five games. Chicago is 1-3-2. Diego Chaves opened the scoring in the 18th minute with a 10-yard shot. Chaves beat goalkeeper Tally Hall after taking a pass from midfielder Marco Pappa.