​Henry Pollock, the boisterous England back row, taunted a group of Argentine fans before the Fifa World Cup semi-final against England on Wednesday.In scenes that could add extra spice to rugby’s Nations Championship meeting this weekend between the two countries, Pollock made a thumbs-down gesture from the England team bus.A group of Los Pumas fans were filmed taunting the England rugby team as they left their hotel in Buenos Aires. Pollock replied by blowing a raspberry and shushing the group.AdvertisementAdvertisementAdvertisementEngland face Los Pumas in Santiago del Estero on Saturday just three days after Argentina knocked Thomas Tuchel’s side out of the World Cup in a semi-final that was fiery on and off the pitch.After the match, during which there were several clashes between the sides, Argentina’s players, including some who play their league football in England, held aloft a banner that read: “The Falklands are Argentine”.Owing to potential hostility, England’s rugby players admitted to not wearing their national jerseys out in Buenos Aires on Wednesday.“I think, bearing in mind where we are and who we’re playing with, we’ve been pretty sensible about not wearing our English shirts around too much,” Alex Coles, the England lock, said. “We had them all out in Liverpool and got a bit of a better reception than we might do here.”AdvertisementAdvertisementAdvertisementPollock’s hat-trick of tries against Fiji was not enough to warrant a starting place after England head coach Steve Borthwick named an unchanged starting XV to face Argentina.Pollock scored three tries in 25 minutes after coming off the bench in the 73-8 victory over Fiji at the Hill Dickinson Stadium. However, Borthwick has resisted the temptation to tinker with a winning formula by retaining the same back-row combination of vice-captain Ollie Chessum, openside Guy Pepper and No 8 Ben Earl for the Nations Championship match in Santiago del Estero.Pollock is joined on the bench by Northampton teammate Emmanuel Iyogun who is in line to make his debut. The loosehead replaces George Kloska among the replacements with Asher Opoku-Fordjour switching to tighthead cover. Opoku-Fordjour has now switched sides of the scrum for four successive England matches, including the uncapped defeat to France.AdvertisementAdvertisementAdvertisementThe only other change sees Bath scrum-half Ben Spencer replace Alex Mitchell, who suffered a recurrence of a hamstring injury after coming off the bench against Fiji. Centre Benhard Janse van Rensburg and winger Noah Caluori retain their spots among three back replacements after making their debuts against Fiji. Captain Jamie George wins his 113th England cap, moving to fourth in the list of England’s most capped male players.England halted a five-Test match losing run against Fiji in what was technically classified as an away game despite taking place on home soil. A trip to the Estadio Único Madre de Ciudades represents a