Jose Mourinho has been putting his players through their paces Stateside for the last week.
And fans are now set to get their first taste of United's new signings in action.
Victor Lindelof and Romelu Lukaku are expected to feature for the Premier League giants against MLS outfit LA Galaxy.
Star names like Paul Pobga, David De Gea and new captain Michael Carrick are also set for a run-out.
Here's Starsport guide to how to watch the game.
Manchester United fans based in the UK can watch tonight's game via MUTV.
Subscribers can tune in and watch all the action in the early hours of Sunday July 16.
Fans who haven't signed up for the service can do so for £4.99 a month and stream via the website.
Virgin and Sky customers will be able to watch via TV as well as streaming services - although MUTV costs £7m a month with these providers.
United's first pre-season game starts at 7pm local time at the StubHub Center in Carson, California.
For fans watching from the UK, that translates as 3am kick-off time on Sunday July 16.
MUTV's live coverage begins at 2am with build-up to the game.
Mourinho has confirmed David de Gea and Joel Pereira will both share the gloves for 45 minutes each.
He's also likely to make a host of other changes after his side's week of hard work on the training pitch in 100 degree heat on America's west coast.
