Promising Middlesbrough winger Adama Traore would give Everton another dimension in attack.
Dominic Calvert-Lewin has four league goals for Everton this season, just six behind club top scorer Wayne Rooney.
Dominic Solanke rejected Celtic's advances to move to Liverpool last summer, but his opportunities have been limited at Anfield.
Paul Heckingbottom's side have won just one in eight attempts since his February switch from Barnsley to Leeds United.
Norwich City snapped Ebou Adams up from Dartford on deadline day in January 2016.
Marc Muniesa was Mark Hughes’s second signing upon arriving at Stoke City in 2013.
Arsenal have been linked with several midfielders to enhanced their current options, including former hero Cesc Fabregas.
Manchester United have upped their interest in 20-year-old Kieran Tierney, meaning Celtic could need to recruit in the summer.
Ovie Ejaria has only featured in six club games this season but was rightly praised for his performance against Romania U21s.
Hull are just six points above the drop zone in the Championship, severely underachieving after being labelled one of the pre-season promotion contenders.
Brighton and Hove Albion are set to revive their interest in Cameroon international striker Karl Toto Ekambi in the summer.