AFP, LOS ANGELES: Juan Mata grabbed the 78th minute equalizer as Manchester United opened their pre-season with a 1-1 draw against Club America on Thursday in Phoenix, Arizona.

A header from Henry Martin in the 59th minute -- past substitute goalkeeper Joel Pereira -- had put Mexican outfit America in the lead at University of Phoenix Stadium.

The English Premiership giants pulled level 12 minutes from time after a cross from youngster Tahith Chong found Ander Herrera, whose header hit the post.

The ball rebounded to Mata, whose volley snuck through the legs of substitute goalkeeper Oscar Jiminez.

It was a lively start from both sides despite temperatures of 40 C in Phoenix. Anthony Martial was unlucky not to receive a penalty in the ninth minute after he appeared to be tripped in the area.