The Knox City Greyhounds picked up their second win of the season Friday night at Motley County, bringing their record to 2-0. The Greyhounds rushed for 157 yards, 113 of those belonging to junior Caleb Arrieta, who ended the game with three touchdowns, one of which was a fumble recovery on the Matador’s 38 yard line that Arrieta ran into the endzone. Junior Bryson Callaway had two completed passe…