Register for our free newsletter MANCHESTER UNITED are reportedly ready to hijack any Manchester City move for Arsenal forward Alexis Sanchez. Former Barcelona forward Sanchez, 29, is out of contract at the Emirates Stadium this summer and has been linked with a January switch to City. Holding optimistic Arsenal can reach the Carabao Cup final However, Sky Sport Italia claims Jose Mourinho’s United are plotting to snatch Chile international Sanchez from under City’s noses. United boss Mourinho, who said he was unlikely to buy anyone in January, recently bemoaned his club’s inability to invest up to “£700 million” in new players, claiming Premier League leaders City have the advantage of unlimited spending power. Football transfer rumours: Celtic defender attracts Italian interest, Hibs reject bid for Murray, Everton eye Theo Walcott Beating Pep Guardiola to Sanchez’s capture would therefore represent a major coup for the Old Trafford side and for Mourinho. The reports further claim that Henrikh Mkhitaryan has been offered as a makeweight in any deal with Arsenal. Armenia international Mkhitaryan has struggled to hold down a first-team place at Old Trafford this season and Sky Sport Italia reports that Arsenal are keen on the former Borussia Dortmund forward. According…