Made his Argentina debut in a 1-0 win over Brazil in Australia on 9 June 2017...Made his maiden start for his country in a 6-0 friendly win in Singapore on 13 June 2017...Missed the start of the Premier League season with a knee injury suffered during the pre-season training camp in Germany in July 2017...Made his first appearance of the season in the 3-0 Premier League defeat at Newcastle United on 26 August 2017...Ruled out again and missed four matches before returning as a substitute in the 1-0 Premier League win over Swansea City at London Stadium on 30 September 2017....Scored his first Premier League goal of the season in a 4-1 home defeat by Liverpool on 4 November 2017...Registered assists in the home draw with Leicester City and win over Chelsea before chalking up all three in a 3-0 victory at Stoke City on 16 December 2017...Grabbed his sixth Premier League assist of the season for Pedro Obiang in the 1-1 draw at Tottenham Hotspur on 4 January 2018 before scoring twice in the 4-1 win at Huddersfield Town nine days later - the first time he had netted more than once in a single game for the Hammers...Suffered a hamstring injury in the 1-1 home Premier League draw with AFC Bournemouth on 20 January 2018...Scored his first goal for Argentina in 2-0 friendly win over Italy in Manchester on 23 March 2018...Scored twice in the final-day 3-1 Premier League win over Everton at London Stadium...Totaled 29 first-team appearances, 27 in the Premier League, scoring five goals and registering nine assists...Named in Argentina's provisional 2018 FIFA World Cup squad.

Missed the opening weeks of the season after being injured in training ahead of the 2016 Olympic Games in Rio...Returned to Hammers duty as a substitute at Manchester City on 28 August 2016...Scored his first goal of the season from the penalty spot in 4-2 defeat at West Bromwich Albion on 17 September 2016...Netted a smart winner to secure the Hammers' first away victory of the campaign at Crystal Palace on 15 October 2016...Added a second penalty in the 3-2 defeat at Tottenham Hotspur on 19 November 2016...Scored the third in a 3-0 win over Crystal Palace at London Stadium on 14 January 2017...Scored in 2-2 home draw with West Bromwich Albion and the home defeats by Chelsea and Leicester City - the latter a direct free-kick - to take his seasonal tally to seven...Scored his ninth goal in 14 London derbies when his late strike downed title-chasing Tottenham Hotspur at London Stadium on 5 May 2017...Completed the season with 35 Premier League appearances, eight goals and two assists to his name, in addition to three EFL Cup and one FA Cup appearances...Made more Premier League passes, 1,581, than any other West Ham United player.

Made a goalscoring debut in the 2-1 UEFA Europa League third qualifiying round second leg defeat at Astra Girugiu...Came off the bench to make his Barclays Premier League bow against Leicester City on 15 August 2015...Scored on his first league start as West Ham won 3-0 at Liverpool on 29 August...Scored and assisted in the Hammers' London derby win over Crystal Palace on 17 October...Curled brilliantly past Everton's Tim Howard in the 1-1 draw on 7 November...Bagged West Ham's consolation goal against Spurs in the next fixture...Missed ten of the next twelve games through injury...Returned to the starting XI in the 1-0 win over Sunderland and played as the Hammers grabbed two of their biggest victories of the campaign, against Spurs and Everton...Curled home a screamer at Stamford Bridge against Chelsea on 19 March before bagging again a fortnight later against Crystal Palace...Started six of the Hammers' final seven games, helping them achieve a seventh place finish

Born in the Ituzaingó Partido of the Greater Buenos Aires metropolitan area of Argentina to Italian ancestry...Joined River Plate at the age of nine in 2002...At 17, he made his professional debut in a 1-0 home win over Tigre on 8 August 2010, and went on to make 22 league appearances for River in his debut season....Summer 2011 saw a loan move to Brazilian giants Fluminense, where he impressed by scoring twice in 22 appearances as a teenager, helping the club to win the Serie A title...Returned to River, where he was handed the coveted No10 shirt, helping the club to reach the Copa Libertadores quarter-finals and scoring a career-high eight goals in 26 league appearances in 2012/13...A packed 2013/14 saw Lanzini play 41 times in all competitions for River, helping the Buenos Aires club to reach the last-eight of the Copa Sudamericana...became the youngest foreign player to appear in the UAE Arabian Gulf League at the age of 21 when he signed for Abu Dhabi-based Al-Jazira Club in 2014...Again wearing the No10 shirt, Lanzini teamed up with Montenego and ex-Juventus striker Mirko Vucinic and Burkina Faso and former Hamburg midfielder Jonathan Pitroipa to score eight goals in 24 league appearances to help Al-Jazira to finish as league runners-up in 2014/15...Capped four times by Argentina at U20 level.