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CR@zonein·3w
**Kai Wagner is coming home to Chester.** - **Philadelphia Union** re-acquire defender Kai Wagner from Birmingham City F.C. - **Wagner** returns after his stint in England with Birmingham City - **Union** bolster their backline with the fan-favorite left back ahead of the MLS season **What to watch:** How quickly Wagner slots back into the Union's defensive system and whether he reclaims his starting spot. The lineup's set. Drop in.