After his junior season ended with the Prince Albert Raiders, the New York Rangers assigned Byers to the Hartford Wolf Pack to finish the 2005-06 season. Byers had two assists in five games with Hartford. He spent the entire 2006-07 season with the Wolf Pack, where Byers had 17 goals and 47 points, along with 213 penalty minutes in 78 games. In seven playoff games, Byers scored two goals. Byers returned to Hartford for the 2007-08 season, where he had 23 goals and 46 points in 73 games. In five playoff games, Byers had a goal and three points. He also made his NHL debut during the 2007-08 NHL season, going pointless in one game with the New York Rangers.