Former Watford and Aston Villa player Ashley Young joined Inter from Manchester United in January.
Inter Milan needed to win to hold off hard-charging Atalanta in the race for third and took the lead in the fifth minute when Young was left unmarked to volley in Sánchez’s cross.
Inter Milan are three points behind leaders Juventus as they bid to end the Turin side’s run of eight consecutive titles
Premier League: Tottenham Hotspur boss Jose Mourinho hits out at Inter Milan manager Antonio Conte over Christian Eriksen remark
Amid speculation about a possible transfer, Mourinho said he believed Eriksen deserves to have some clarity about his future at Spurs.
Serie A: Inter Milan sign former England international Ashley Young from Manchester United on six-month deal
Inter have an option to extend the deal for Young for a further season and he joins up with former Old Trafford team mates Romelu Lukaku and Alexis Sanchez. British media reports said Inter had paid a fee of 1.5 million euros (1.28 million pounds) to United.
Premier League: Manchester United boss Ole Gunnar Solskjaer says full-back Ashley Young nearing transfer to Inter Milan
Solskjaer said that Young will be 35 soon and if he gets a two-year contract elsewhere, it was up to him to take that as United weren't ready to offer him that
Premier League: Inter Milan reach agreement to sign Manchester United captain Ashley Young, claim media reports
The move will bring an end to Young's eight-and-a-half year stay at United, where he won the 2012-13 Premier League title, the 2015-16 FA Cup, and both the League Cup and Europa League in 2016-17.
Premier League: Manchester United boss Ole Gunnar Solskjaer hints at defender Harry Maguire returning for Norwich City tie
British media had reported earlier this week Maguire could be on the sidelines for several weeks but Solskjaer said the England international has responded well to treatment.
England will follow UEFA protocols if any of their players experience racist chanting during the upcoming Euro 2020 qualifiers, according to manager Gareth Southgate.
Premier League: David de Gea keen to captain Manchester United as keeper nears signing new extension
David De Gea, 28, has long been linked with a move away from Manchester United but said he wanted to help the team return to the summit of English football.
Premier League: Manchester United's pursuit of top-four finish 'disappointment in itself', says captain Ashley Young
Young and United’s quest for a top four finish ended with a 1-1 draw at already-relegated Huddersfield Town on Sunday and the highest the 20-times league winners can finish in the season is fifth, only enough for a spot in the second-tier Europa League
Premier League: Manchester United prepared for clash against rivals Manchester City, says full-back Ashley Young
United, who have 64 points from 34 games and sit two points adrift of Arsenal in fourth, face Chelsea, Huddersfield Town and Cardiff City in their final three matches of the season
Champions League: Manchester United condemn racist abuse of defender Ashley Young on social media after Barcelona loss
33-year-old Young was partially at fault for Barcelona's first goal as his clearance was blocked, leading to Lionel Messi scoring as the hosts went on to win 4-0 on aggregate
Premier League: Manchester United have no margin for error in bid to secure a top-four finish, says Ole Gunnar Solskjaer
Ole Gunnar Solskjaer admitted Manchester United have no further margin for error in their bid to secure a top-four finish after a damaging 2-1 defeat against Wolves on Tuesday.
Premier League: Manchester United's top-four hopes take a hit with defeat against Wolves; Fulham's relegation confirmed
Ashley Young's needless dismissal and Chris Smalling's farcical own goal sent Manchester United crashing to a damaging 2-1 defeat against Wolves on Tuesday.
Ashley Young has warned that Manchester United should not be written off as they attempt to mount an improbable comeback against PSG in the Champions League last 16.
Premier League: Manchester United manager Ole Gunnar Solskjaer glad to see Romelu Lukaku taking his chance in central role
Ole Gunnar Solskjaer was glad to see Romelu Lukaku making the most of playing in his favoured central striker role with two goals in Manchester United's 3-1 win at Crystal Palace on Wednesday.
Premier League: Marcus Rashford thriving under Ole Gunnar Solkjaer after coming in from cold at Manchester United
Marcus Rashford was in danger of seeing his dream of becoming Manchester United's star striker turn to dust but the England forward is flourishing again after escaping Jose Mourinho's shackles.
Premier League: Jose Mourinho hints his Manchester United players are not good enough to compete with Liverpool
Mourinho claimed ahead of the game that Liverpool have had luck on their side this season but the visitors did not deserve anything more than a fifth league defeat of the season.
Champions League: Nothing surprised me in Manchester United's loss to Valencia, says manager Jose Mourinho
Defeat was nothing more than Mourinho's side deserved, as a line-up that included eight changes and a return for Paul Pogba delivered a sluggish display at Mestalla.