According to Daily Star, Manchester United manager Erik ten Hag was caught screaming on the touchline at one of his players during the friendly win over Crystal PalaceManchester United produced another commanding preseason display under the tutelage of ten Hag. Marcus Rashford, Anthony Martial, and Jadon Sancho were all on the scoresheet as United ran out 3-1 winners in the end. United have now won all three of their pre-season games, scoring 11 goals in the process. While the results have been strong, fans will be careful not to get overly excited considering how the previous season wentRegardless, towards the end of the game, in the 88th minute, the Dutch manager was seen screaming at one of his players. Manchester United had all but sealed the win by then and were leading by two goals, with David De Gea kicking the ball upfield instead of playing it out as ten Hag prefers.B/R Football@brfootballThree wins in three.Erik ten Hag’s Manchester United are cooking in preseason 274601981Three wins in three.Erik ten Hag’s Manchester United are cooking in preseason 🔴 https://t.co/s7KgtCoUUSYoungster Charlie Savage also seemed to be at fault as he did not drop deeper to provide his keeper with an extra passing option. Ten Hag was caught screaming “What the f**k are you doing” at one of his players, although it is unconfirmed who exactly he was addressing.Fans will undoubtedly be happy. There is little doubt that the team has not been up to it in recent months, and the manager is only trying to help his players be at their best.Erik ten Hag will be happy with progress at Manchester United thus farWhile the transfer window initially seemed to be heading in a precarious direction, Manchester United have picked up pace in recent days. A deal for Frenkie De Jong has still not been wrapped up, but the club moved quickly to sign Ajax defender Lisandro Martinez, who could undoubtedly be an important playerThe team needed a left-sided centre-back, and Lisandro has already performed at a consistently high level under ten Hag at Ajax. The Red Devils have also signed left-back Tyrell Malacia.Man United News@ManUtdMENWho is Lisandro Martinez Manchester United look set to sign the diminutive Argentinian, but what can United fans expect from him34337Who is Lisandro Martinez❓ 👹Manchester United look set to sign the diminutive Argentinian, but what can United fans expect from him❓ https://t.co/r952v6vvByFans have also consistently criticized club captain Harry Maguire and will be happy to see that he has new competition. Additionally, the midfield signing of Christian Eriksen might as well prove to be crucial.The 30-year-old adds efficiency and experience and has the versatility to play in a slightly deeper position. There is little doubt that further signings need to be made if the club is to compete for trophies next season. Still, the signings so far have been astute, and the club only needs to follow suit in the coming weeks.