CHESTER — Kai Wagner has long harbored the dream of returning to Europe to play soccer. But reality doesn’t always match the fantasy. When Wagner, out of contract after five seasons with the Union at the end of 2023, dangled his services into European waters, he got bites. But he had to weigh his dream and the uncertainty of European soccer against the surety of Philadelphia, the reputation he’d built as an MLS All-Star and, perhaps most of all, the FaceTime calls from his two young children with neighbors and classmates in the only home they’ve ever known. “It was […]