Multiple sources have confirmed that Napoli have officially submitted a bid for Martin Terrier. The offer for the Leverkusen forward had been speculated for a number of weeks, but represents the first concrete bid for the player. While negotiations continue, they are said to be progressing. Talks remain ongoing, though with no rival clubs reported in the mix, Napoli are progressing without added pressure. At 1.41 goals scored per game this season, Napoli already pose a big threat. Martin Terrier would be expected to maintain that level and give them another reliable option in attack. Leverkusen continue to be linked with Jonas Omlin and Stefan Ortega while Napoli are also rumoured to be tracking Armand Lauriente, Daniel Maldini and Jeremie Boga. Stay tuned for more details as the story develops. Need more Napoli transfer rumours? Follow @PlayerSwitchCom on Twitter for news and updates as they happen.