Transfer expert Fabrizio Romano has updated fans on Cristiano Ronaldo's future at Manchester United.The Portuguese forward sat on the bench and watched as his Red Devils side were embarrassingly beaten 6-3 by cross-city rivals Manchester City on October 2.There was huge speculation over Ronaldo's future throughout the summer, with it being believed that he was pushing for an exit.Romano has now offered an update on the former Real Madrid striker's situation at Manchester United.He has claimed that if Ronaldo continues to play a bit-part role at Old Trafford, his agent Jorge Mendes will continue looking to find a new club for the player.Ronaldo has made eight appearances this season, scoring just a penalty in a 2-0 win over Sheriff Tiraspol in the UEFA Europa League.His performances have been under the spotlight with debates over whether the 37-year-old has regressed.The Portuguese has started just three of United's fixtures this season, a 4-0 defeat to Brentford, a 1-0 loss to Real Sociedad and the win over Sheriff.Manchester United manager Erik ten Hag's decision to keep Ronaldo on the bench in the derby defeat has received backlash.The Dutch tactician explained the decision after the match, saying (via Sky Sports):"I didn't bring him on out of respect for his big career."Cristiano Ronaldo has a year left on his contract with the option to extend for a further year. He netted 24 goals in 38 appearances last season.UtdDistrict 🔰@UtdDistrictOfficial: Cristiano Ronaldo's goal against Tottenham has been voted as #mufc October Goal of the Month 3814288Official: Cristiano Ronaldo's goal against Tottenham has been voted as #mufc October Goal of the Month 🚀 https://t.co/rg9k7miD33Cristiano Ronaldo and Manchester United should part waysCristiano Ronaldo's frustrations are clearMany were surprised when Cristiano Ronaldo remained at Manchester United when the summer transfer window closed.The Portuguese was linked to a number of top European clubs, including Chelsea, Bayern Munich and Atletico Madrid.A move never came to fruition but the feeling was that Ronaldo was seeking a transfer to a side contending in the UEFA Champions League.It seems bizarre that the forward has remained at Old Trafford but not been given a regular role if he so clearly wants to leave the club.This may be down to the higher-ups at Manchester United reportedly desiring to keep hold of the five-time Ballon d'Or winner due to his commercial value.Sky Sports Premier League@SkySportsPL"𝙈𝙖𝙣𝙘𝙝𝙚𝙨𝙩𝙚𝙧 𝙐𝙣𝙞𝙩𝙚𝙙 𝙝𝙖𝙫𝙚 𝙨𝙝𝙤𝙬𝙣 𝙣𝙤𝙩𝙝𝙞𝙣𝙜 𝙗𝙪𝙩 𝙙𝙞𝙨𝙧𝙚𝙨𝙥𝙚𝙘𝙩 𝙩𝙤 𝙍𝙤𝙣𝙖𝙡𝙙𝙤!" Roy Keane believes Man United should have let Cristiano Ronaldo leave the club in the summer.216742888"𝙈𝙖𝙣𝙘𝙝𝙚𝙨𝙩𝙚𝙧 𝙐𝙣𝙞𝙩𝙚𝙙 𝙝𝙖𝙫𝙚 𝙨𝙝𝙤𝙬𝙣 𝙣𝙤𝙩𝙝𝙞𝙣𝙜 𝙗𝙪𝙩 𝙙𝙞𝙨𝙧𝙚𝙨𝙥𝙚𝙘𝙩 𝙩𝙤 𝙍𝙤𝙣𝙖𝙡𝙙𝙤!" 😤Roy Keane believes Man United should have let Cristiano Ronaldo leave the club in the summer. https://t.co/Zgs4vlItPGHowever, that does not help either Cristiano Ronaldo or Ten Hag, with the latter having even become receptive to the idea of losing the veteran striker in the summer.It remains to be seen if any European club will come in for the forward in the January transfer window. If they do, United should finally accept that he is the better off elsewhere.