The Chiefs have signed 29-year old DT Daniel Muir to a reserve/future contract.  Muir played in 3 games for the Jets last year and he had 3 tackles.  Muir has now played in 46 games in his first four years in the NFL and he has 111 tackles, 6 tackles for a loss, 1/2 a sack and 1 pass defensed.  Muir will get a shot to make the Chiefs for the 2013 season in training camp.