Philadelphia Union Obliterate San Diego 5-0, Regression Hits Like a Freight Train

The Union didn't just win—they delivered a masterclass in why underlying numbers matter. Philadelphia torched San Diego 5-0 on the road, turning our ML pick into one of the easiest cashes of the weekend. This wasn't luck; this was inevitable. San Diego came in riding that ridiculous +7.76 goalsVsXgoals, finishing way…