Norwich have signed centre-half Ignasi Miquel from Arsenal on a permanent deal for an undisclosed fee.
Alex Kacaniklic has signed a new two-year deal with Fulham but he will spend the rest of the current season on loan with FC Copenhagen.
Arsenal have agreed a new long-term contract with teenage forward Serge Gnabry, the Barclays Premier League club have announced.
The 18-year-old Germany youth international has impressed since breaking into the Gunners first team and scored his first senior goal for the club in the 2-1 win at Swansea last month.
That came a week after he made his full Premier League debut in the win over Stoke.