Celtic have been quiet in the transfer window so far; however, Brendan Rodgers looks to be keen to retain his key assets this month. Denmark international Matt O’Riley is now set to stay at Parkhead after the Hoops turned down a bid from Atletico Madrid for his signature. The La Liga giants put forward a loan offer with an obligation to buy the 23-year-old at the end of the campaign; however, Rodgers has since revealed that the former MK Dons man will be sticking around in Glasgow’s east end. He stated on O’Riley’s future [Celtic FC Official website]: “Matt’s a player we don’t want to lose and…