NHL free agency began Wednesday, and what followed was the usual — a flurry of signings across the league. The Chicago Blackhawks acquired two players shortly after the clock turned 11 a.m. Two Coles — defenseman Ian Cole and left winger Cole Smith — joined the Hawks, who then signed defenseman Bowen Byram to a six-year, $75 million contract extension. The Hawks still have questions to answer …
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