 After the Giants game, Matthews went on to accumulate 4.5 more sacks and 17 tackles (10 solo) over the next five weeks.In Week 16, during the second to last game of the regular season against the Pittsburgh Steelers, Matthews refractured his thumb and was out for the remainder of the season.Prior to the 2014 season, the Packers signed veteran free agent Julius Peppers to bring an additional pass rush to help Matthews.