Davis scored a TKO as Garcia quit by the ninth
1:50 a.m. ET Mike CoppingerESPN Gervonta “Tank” Davis shook Hector Luis Garcia with a left hand in the dying moments of the eighth round, prompting the underdog to retire on his stool before the ninth round on Saturday in Washington, DC. García absorbed a flurry of hard shots into his unsteady legs, later saying, “I …