The St. Louis Blues have been dealt a considerable blow with the NHL Trade Deadline less than 24 hours away. General manager Doug Armstrong has announced that defenseman Colton Parayko is undergoing a scope in his knee after he was hurt on Wednesday night against the Los Angeles Kings.

St. Louis Blues No. 1 defenseman Colton Parayko is expected to miss the rest of the regular season after injuring his left knee in the team's shootout victory at the Los Angeles Kings.

The St. Louis Blues said Thursday that defenseman Colton Parayko will be reevaluated in six weeks after suffering a left knee injury. Parayko, 31, went down Wednesday night in the Blues' 3-2 shootout win over the Los Angeles Kings.