Italian champions Inter Milan were held to a draw as Sampdoria twice came from behind to claim a point.
Federico Dimarco thumped a free-kick into the top corner.
But ex-Southampton defender Maya Yoshida equalised.
Lautaro Martinez then delightfully finished off a slick counter-attack for Inter Milan on the stroke of half-time.
But Tommaso Augello smashed in a left-footed volley after the break.
Sampdoria remain winless after three games this season.
Simone Inzaghi’s Inter side dropped points for the first time this campaign following back-to-back victories.
On Saturday, Napoli maintained their 100% record by beating winless Juventus.
Juventus were playing their first game since the departure of forward Cristiano Ronaldo to Manchester United.