Clark, 33, has played the last five full seasons with the Colorado Avalanche. He had 20 points in 64 games this past season, but he led the Avs with 162 blocked shots. He had 238 blocked shots in 2008-09 when he played in 76 games. Only Zbynek Michalek (271) had more.
Yzerman last week traded Andrej Meszaros to Philadelphia and signed Pavel Kubina to a two-year contract.
Clark, who checks in at 6-foot and 195 pounds, was originally drafted by Montreal in the fifth round of the 1996 Entry Draft. He played in 102 games with the Habs and 44 with the Thrashers.
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