Real Salt Lake (4-2-3, third in the Western Conference) vs. Philadelphia Union (3-0-4, fifth in the Eastern Conference)Chester, Pennsylvania; Saturday, 7:30 p.m. EDTBETMGM SPORTSBOOK: LINE Philadelphia -115, Real Salt Lake +285, Draw +258; over/under is 2.5 goalsBOTTOM LINE: Real Salt Lake heads into a matchup with the Philadelphia Union after securing two straight shutout wins.The Union are 1-0-1 in home games. The Union rank 10th in the Eastern Conference with 36 shots on goal, averaging 5.1 p