Christian Coleman had 16 points, Isaiah Coleman had 15 points and nine rebounds, and Oklahoma State beat Texas A&M 87-63 in Stillwater, Okla. in a match of former Big 12 rivals who underwent major offseason rebuilds.Vyctorius Miller had 15 points and five assists, Jaylen Curry had 12 points and Parsa Fallah had 10 points for the Cowboys (2-0), who are melding 12 new players in coach Steve Lutz’s second season.Curry had four assists and three steals and Fallah had seven rebounds. The Colemans (no relation), Miller and Curry are Division I transfers.Reserve Marcus Hill had 14 points and reserve Zach Clemence had nine points for the Aggies (2-1), who are still working through combinations after adding 13 new players in coach Bucky McMillan’s first season.Oklahoma State shot 48.5% from the field and committed only nine turnovers, one in the first half.Forward Isaiah Coleman, who averaged 15.6 points at Seton Hall last season, entered 30 seconds into the game and scored the Cowboys’ first two baskets. He did not play in a 95-71 victory over Oral Roberts in the season opener because of a “personal matter,’ Lutz said.Forward Christian Coleman averaged 11.6 points at UAB last season.The Aggies made just three of their first 16 field goal attempts to fall into an early hole that they could not overcome. The Cowboys made 12 of their first 17 shots in the second half to put it away.