Matt Cooke suspended for remainder of regular season and first round of playoffs for elbow on Ryan McDonagh » Matt Cooke

Matt Cooke might be changed, but he can't change the past. (AP)

Matt Cooke might be changed, but he can’t change the past. (AP)

In this photo from March 20, 2011, Pittsburgh Penguins’ Matt Cooke (24) is escorted from the ice by NHL linesman Derek Amell (75) after he was elected for elbowing New York Rangers defenseman Ryan McDonagh in the third period of the NHL hockey game in Pittsburgh. The league announced on Monday March 23, 2011 that Cooke has been suspended for the remainder of the regular season (10 games) and the first round of the Stanley Cup Playoffs for the infraction. (AP Photo/Keith Srakocic)