Butterfield is one of six Norwich players currently out on loan in the Football League.
Tom Adeyemi recently extended his spell at League One club Brentford until the end of the season. Declan Rudd is also at divisional rivals Preston for a similar duration. James Vaughan moved to Championship club Huddersfield on a season-long loan, with Dani Ayala agreeing the same season-long switch to Nottingham Forest.
Elliott Ward is also at the City Ground now after moving to the East Midlands for the rest of the current season with a view to a permanent move.