Jason Curtis Newsted was the third bass guitarist for Metallica by 2001 .
Jason Curtis Newsted ( born March 4 , 1963 ) is an American metal musician , known for being the second bass guitarist with the band Metallica from October 1986 until his departure in January 2001 , he was also a part of Voivod and Flotsam and Jetsam .
Jason Newsted