The Bournemouth forward took to social media after a huge 3-0 win against the Canaries.
The Irishman has been out of action for 16 months.
The Hammers have been impressive under Slaven Bilic this season.
Leeds have agreed to sell Sam Byram.
The Spanish striker joined the club on loan from Athletic Bilbao this week.
The former Newcastle and Rangers forward took to Twitter on Saturday afternoon.
The Tottenham head coach has been discussing the 23-year-old Dane.
The Black Cats are keen on the Romanian leaving the club.
The Dane has been struggling for form recently but was excellent v Sunderland.
Leigh Griffiths guided Celtic to a win against Dundee United away from home in the Scottish Premiership on Friday evening.