Patrick Day dies of brain injuries 4 days after knockout ESPNBoxer Patrick Day dies 4 days after sustaining head injuries from fight 10TVPatrick Day's death is a humbling reminder of the costs and dangers that are unique to boxing KSDK.comBoxer Patrick Day dies 4 days after fight in Chicago FOX 32 ChicagoBoxer Patrick Day Dead at 27 From Brain Injuries After KO Loss to Charles Conwell TMZView full coverage on Google News