Premier League: Arsenal strengthen title bid by signing Trossard

Arsenal strengthened title bid by signing Trossard from Brighton in Premier League

This seasons title by signing attacking midfielder Leandro Trossard from Brighton

The 28-year-old Belgian international joins Arsenal for an initial fee of 20 million pounds

Further seven million pounds in possible add-ons

He could make his debut when Arsenal play Manchester United on January 22

This has been my best season in the Premier League until now

Brighton coach Roberto De Zerbi admitted that losing Trossard was a blow to his side, commenting it would be hard to bring in a replacement