By Shams Charania, Mark Puleo and Sam Vecenie The Charlotte Hornets are nearing a deal to send forward Gordon Hayward to the Oklahoma City Thunder, according to league sources. The 6-foot-7 forward, who turns 34 in March, is averaging 14.5 points, 4.7 rebounds, 4.6 assists per game and shooting 46.8 percent from the field in 25 games this season. This …