As a junior he played with the Regina Pats in the WHL. NHL Entry Draft 1992, the right-handed shooter was selected as # 36 in the second round by the Chicago Blackhawks, his first NHL game he graduated in the 1993/94 season, in which he in 52 games his first three goals in the North American professional league achieved. After he was repeatedly used in the IHL at Indianapolis Ice, Shantz was from the 1995/96 season the squad permanently the Blackhawks.
More NHL stations were the Calgary Flames (1998-2002) and the Colorado Avalanche ( 2002/ 03 ) before Jeff Shantz moved to Langnau 2003. In 2005 he moved on to the Adler Mannheim in the DEL. Due to a cartilage injury in the knee and a meniscus damage, the Canadians fell in the summer of 2006 for several months, but returned to the middle of the season back on the ice, won with the eagles the German championship and was named Most Valuable Player of the playoffs. His contract in Mannheim runs until 2008. On 5 May 2008, the EC KAC was the obligation of Jeff Shantz for the 2008/ 09 season known. The 34- year-old center signed a one -year contract with the Austrian record holder.
For the ice hockey team of Canada Shantz was active in seven games and scored three goals.
Awards and achievements
( Key to Career statistics: Sp or GP = Games Played, T or G = goals scored, V or A = achieved assists; Pts or Pts = scored points scorer, SM or PIM = received penalty minutes, / - = Plus / Minus balance sheet; PP = scored majority gates; SH = scored shorthanded goals, GW = achieved victory gates; Play-downs/Relegation 1 )