Kevin Shattenkirk is the most logical piece for the Blues to look to move before the Feb. 28 trade deadline .
Kevin Shattenkirk is a dominant offensive defenceman and pending unrestricted free agent carrying an affordable $4.3 - million cap hit .
Kevin Shattenkirk , a dominant offensive defenceman and pending unrestricted free agent carrying an affordable $4.3 - million cap hit , is the most logical piece for the Blues to look to move before the Feb. 28 trade deadline .