Rocky Wirtz, who won three Stanley Cup titles as owner of the Chicago Blackhawks and presided over the team during one of the NHL's biggest scandals, has died. He was 70.

The Blackhawks said in a release that Wirtz died Tuesday, calling it a "sudden passing." No further details were provided.

"Our hearts are very heavy today," Blackhawks CEO Danny Wirtz, Rocky's son, said on social media. "Our dad was a passionate businessman committed to making Chicago a great place to live, work and visit, but his true love was for his family and close friends. ... His passing leaves a huge hole in the hearts of many and we will miss him terribly."

Alex Galchenyuk is entering the NHL and NHLPA's player assistance program after being arrested last week, sources told ESPN, and has apologized to police for his "deeply disrespectful and despicable behavior."

Galchenyuk was arrested July 9 in Scottsdale, Arizona, for a hit and run incident that resulted in the Arizona Coyotes terminating his contract just 13 days after signing the 29-year-old as a free agent.