The Carolina Panthers signed RB Reggie Bonnafon, LB Brandon Chubb, CB Cole Luke, S Kai Nacua, DT Elijah Qualls, OG Ian Silberman, OG Landon Turner, WR DeAndrew White, LB Antwione Williams, OT Isaiah Battle, S Quin Blanding, DT Woodrow Hamilton and WR Andre Levrone to Reserve/Futures contracts Monday, Dec. 31. Terms of the contracts were not disclosed.