<div><span style="font-size: 1rem;">Erik ten Hag has described Cristiano Ronaldo's behaviour as "unacceptable" after the forward left Manchester United's friendly against Rayo Vallecano early.</span><br></div><div><br></div><div>Ronaldo played the first half of the 1-1 draw with the Spanish side, but was spotted outside Old Trafford by supporters before the full-time whistle.</div><div><br></div><div>The forward is pushing to leave Manchester United this summer, and Sunday's friendly marked his first appearance under Ten Hag.</div><div><br></div><div>Though not naming Ronaldo, the Dutch manager criticised the decision of players who left the ground amid reports that others may have joined the 37-year-old in making an early exit.</div><div><br></div><div>"I certainly don't condone this," Ten Hag said to media outlets AD and Viaplay in his native Netherlands.</div><div><br></div><div>"This is unacceptable. For everyone. We are a team and you have to stay to the end."</div><div>Ronaldo was photographed with compatriot Diogo Dalot, who was not part of the match-day squad but watched from the directors' box with a number of teammates.</div><div>Manchester United had also played on Saturday, losing 1-0 to Atletico Madrid in the Norwegian capital of Oslo, and the squad involved in the Rayo fixture was largely a second-string side.</div><div><br></div><div>The club open their Premier League campaign at home against Brighton with considerable uncertainty over what part, if any, Ronaldo will play.</div><div><br></div><div>The Portuguese returned to Old Trafford last summer on a two-year deal but has confirmed that he hopes to leave Manchester United.</div><div><br></div><div>“I didn’t speak to him [Ronaldo] after [the revelation that he wants to leave United],” Ten Hag said in early July while Ronaldo was absent from his side's preseason tour.</div><div>"His absence is a personal issue. We are planning for Cristiano Ronaldo for the season and that’s it and I’m looking forward to working with him. I have read [about his wish] but Cristiano is not for sale, he is in our plans and we want success together." -Eurosport</div><div><br></div><div>bnbd24/TR</div>