A strong all-around display from Pakistan saw the visitors claim their first win at the MCG in 32 years after chasing down Australia's first innings total of 220 with six wickets in hand.
Australia won the toss and chose to bat, and David Warner and Usman Khawaja started off strongly in the first few overs.
Things quickly went pear-shaped however soon afterwards, as both Warner and Khawaja fell to leave the hosts at 2/40 after eight overs.
Mitch Marsh came to the crease with some expectation on his shoulders following a somewhat controversial selection in the Test side, and his effort played into the hands of those against him, as Marsh drove a ball to cover with his first delivery.
Travis Head, Glenn Maxwell and Matthew Wade all came in and batted relatively well alongside Steve Smith, as the skipper notched another half century for the summer, and made 60 before being bowled by Imad Wasim.
Unfortunately the Australians couldn't even last the 50 overs, as Mohammad Amir took two late wickets to finish with figures of 3-47 as the hosts set Pakistan 221 to win.
Mohammad Hafeez and Sharjeel Khan led the way for Pakistan early, as the pair combined for 68 runs before Khan fell to an edge off the bowling of James Faulkner.
Babar Azam replaced Khan and picked up from where the opener left off, as Pakistan never really lost sight of the chase, staying on top of the Australia's for the duration of the innings.
Hafeez top scored with 72 and Shoaib Malik chipped in with an unbeaten 42 from 52 balls to lead the tourists to a comfortable victory, and see Pakistan tie the series up at 1-1 before heading to Perth on Thursday.
