Chicago Fire vs Philadelphia Union prediction

Chicago Fire have won 3 of their last 5, while Philadelphia Union are unbeaten in their last 5. Chicago Fire average 1.9 scored and 1.3 conceded at home, while Philadelphia Union average 2.1 scored and 2.1 conceded away from home. In their last 4 meetings Chicago Fire won 1, drew 1 and lost 2 to Philadelphia Union, with 3.5 goals a game. Our model expects Chicago Fire to score about 1.7 and Philadelphia Union about 1.8. Philadelphia Union should at least avoid defeat.