Arsenal have completed the £27m signing of Leandro Trossard from Brighton so here's everything you need to know about the latest addition to Mikel Arteta's box of attacking riches.

Who is Leandro Trossard?

Trossard is a 28-year-old Belgium international forward, and very much a late bloomer.

The Limburg-born frontman was a graduate of the youth academy at Belgian club Genk, making his first-team debut in 2012.

However, rather than make a name for himself at Genk, Trossard spent each of the next four seasons out on loan at various Belgian teams, finally returning to his parent club for the start of the 2016/17 season and going on to help Genk to the league title in 2018/19.

How did he do at Brighton?

It was Graham Potter who signed Trossard from Genk at the start of the 2019/20 season and he did well for the Seagulls.

He instantly made a name for himself by scoring on his debut against West Ham and was a key figure in Potter's adventurous and slick attacking unit.

He scored eight Premier League goals last season and added to his reputation this season by scoring a hat-trick in a 3-3 draw at Liverpool while also finding the net against both Manchester City and Chelsea.

How much have Arsenal paid for him?

Arsenal have paid an initial £20m for Trossard, a sum that could rise to £27m, signing him on a four-and-a-half year contract.

Were other clubs interested in buying Trossard?

Newcastle had apparently shown interest last summer but that cooled, while Tottenham were more recent potential suitors.

What type of a player is Trossard?

Naturally right-sided though unquestionably two-footed, Trossard has done all his best work for Brighton coming in off the left flank.

That said, and given what we knew about Potter's desire for flexibility and adaptability, he has also played in other positions. 

His 25-goal league haul, in a team which was never renowned for being prolific, was healthy enough.

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Why did Trossard leave Brighton?

Because, it seems, relations between him and manager Roberto de Zerbi had become strained following a World Cup where Trossard, rather than come of age, had little playing time or impact in a poor Belgian side who went home early.

Trossard's body language back at the Amex wasn't the best and after a listless performance off the bench against Charlton in the League Cup, he was dragged off early in games against Southampton and his new employers, Arsenal.

He didn't play for Albion again and while there were suggestions of an injury, De Zerbi's questioning of the player's "commitment", articulated in the full gaze of the public, suggested irreconcilable differences.

So why did Arsenal buy Trossard?

It's a fair question, and one many Arsenal fans have been asking.

After all, Arteta's Emirates' revolution appears to be based on youth and promise and at 28, Trossard hardly matches that e-fit.

And his goalscoring record at Brighton, while decent, is hardly incredible.

Arsenal may have been slightly panicked by missing out on Mykhaylo Mudryk so, given the impasse between Trossard and De Zerbi, this was a mutually convenient deal which was always going to be done quickly.

In the grand scheme of things, £27m is an absolute snip, so probably won't alter Arteta's long-term spending plans.

Arsenal have signed a someone who has been playing regular Premier League football as recently as last month so will have no difficulty hitting the ground running when called upon.

Where would Trossard fit into Arteta's plans?

The reality is that Trossard is unlikely to walk straight into Arsenal's first team and presumably that was made clear to him prior to signing.

Indeed, one of Arteta's coaches, Albert Stuivenburg, who was Trossard's manager at Genk for the best part of a year, may well have been the one to explain his role.

As someone who prefers to play off the left, Trossard has to be seen as Gabriel Martinelli's deputy though he can also feature as a false nine so may well get playing time as cover for Eddie Nketiah until Gabriel Jesus is fit again.

And come next season when, barring something remarkable, Arsenal are back in the Champions League, squad depth will be critical.

Arteta looks to have recruited a forward with genuine pedigree for a relatively limited sum.