There are many players who switched over from blue-and-black to red-and-black, and vice versa. Some receive less grudge from their former fans, some more. The latest edition belonging to the second group is the Turkish midfielder Hakan Calhanoglu who scored in the latest Derby della Madonnina and did not shy away from showing Rossoneri fans he is happy he crossed over to the archrivals Inter Milan.Kessie and Martinez ’guilty’ for the draw in Derby Della MadonninaThe Turkey international made headlines with a controversial celebration on Sunday night – he earned and converted a penalty kick, celebrating by putting his hands back to the ears while staring at Milan’s southern stand of the stadium – Curva Sud. It caused an avalanche of reaction, inside and outside the venue.Milan defender Alessandro Florenzi wasn’t impressed by the gesture and stepped inside the pitch to confront the former Rossoneri member.Florenzi entered the pitch and went towards the 27-year-old but the duo didn’t come into contact.👀 Florenzi went onto the pitch after Calhanoglu cupped his ears towards the #ACMilan fans. ❤️🖤 pic.twitter.com/NBbCMbkkff— SempreMilan (@SempreMilanCom) November 8, 2021 Calhanoglu left AC Milan at the end of his contract last summer, signing with Inter as a free agent.Milan fans booed him from start to finish, but Calhanoglu didn’t seem to be concerned. The 27-year-old Turk continued causing controversy even after the game as he shared a new video of his celebration against Milan, writing: ‘I M Hakan, I M Inter.’ View this post on Instagram A post shared by Hakan Çalhanoglu (@hakancalhanoglu) It also caused a reaction from former Serie A players. Former Juventus midfielder Alessio Tacchinardi felt the gesture after the goal, when Calhanoglu put his hand behind the ear and taunted the Rossoneri fans, was ‘disrespectful’.“It was disrespectful towards his former fans and the club,” Tacchinardi told SportMediaset. “Also because he left on a free transfer.”Borja Valero, who played at Inter for three years between 2017 and 2020, believes the former Rossonero showed ‘courage’ when he stepped up to convert the penalty kick.“Hakan Calhanoglu had great courage,” Borja Valero told DAZN. “He has shown personality by taking a complicated penalty. It has to be applauded.”Supporters of these two Italian giant are on a completely different level. ‘Ultras’ of both teams are notorious for their passion and in regards to this particular case, AC Milan fans could not keep quiet.After Calhanoglu teased Rossoneri fanbase, the reply from Milan supporters came thick and fast. A group of ultras unveiled a banner on the Ponte del Portello (one of the bridges in the city) to hit back at the footballer who player for German sides Bayer Leverkusen and HSV player, before coming to AC Milan.Strong message from Curva Sud to #Calhanoglu 🤬 pic.twitter.com/SlUJzprFzW— MilanReports (@MilanReportscom) November 8, 2021 ‘Courage is not taking a penalty kick after ten minutes but remaining with your wife after she cheated on you,’ the banner read.Calhanoglu spent four seasons at Milan, scoring 32 goals in 172 appearances.