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Wellington Silva spent last season on loan at Spanish side Almeria

Bolton Wanderers have signed Brazilian winger Wellington Silva on a season-long loan from Arsenal.

The 22-year-old joined the Gunners in 2011 but was only granted a work permit to play in England after five loan spells with different Spanish clubs.

Boss Neil Lennon confirmed the signing after their 1-0 loss at MK Dons.

"Silva should have been playing tonight but we missed the registration time by three minutes," Lennon told BBC Radio Manchester.

"He would have made a big difference to the way we wanted to play, so he will definitely come into contention on Saturday.

"We think he is a good player and will make us better."

Lennon also confirmed that Italian full-back Francesco Pisano is currently completing a medical before he joins on a free transfer.