The Union fell to Chicago 4-2 in their first preseason match against MLS competition.
Sebastien Le Toux earned and scored a penalty to give the Union a win in their final game of 2015.
The Union fell short, losing on penalty kicks.
Fernando Aristeguieta and Andre Blake were the heroes as the Union earned a road point against New England Saturday night.
Tranquillo Barnetta and C.J. Sapong were both on target as the Union easily defeated Sheanon Williams and a lackluster Dynamo side.