Derek Ryan is writing a blog for NHL as the Edmonton Oilers prepare to host the Calgary Flames in the 2023 Tim Hortons NHL Heritage Classic at Commonwealth Stadium on Sunday 7 p. m. ET; TVAS, SN, TBS, MAX. In his second installment, the forward discusses the practice the Oilers had at Commonwealth Stadium in preparation for the Heritage Classic, which is a celebration of the first regular season outdoor game here 20 years ago between the Oilers and Montreal Canadiens, and the skate with his...