For a list of confirmed transfers, check out the transfers page.
Roma are set to beat Arsenal to the signing of Barcelona's 17-year-old Paraguayan striker Antonio Sanabria.
Arsenal and Liverpool are both interested in Barcelona winger Pedro, who could consider his options at the end of the season. The Spain international, 26, has scored 10 La Liga goals this season, including a hat-trick in the 5-2 win at Getafe.
Everton manager Roberto Martinez wants to watch Andrew Robertson and John Souttar in person before stepping up his interest in the Dundee United duo. Left-back Robertson, 19, and centre-back Souttar, 17, are both regulars in Jackie McNamara's side.
Hull boss Steve Bruce is still interested in signing West Brom striker Shane Long, despite failing to complete a move for the 26-year-old in last summer.
Yaya Toure has joined fellow Manchester City team-mate Sergio Aguero in urging Barcelona forward Lionel Messi, 26, to join the Etihad club.
Tim Sherwood would rather return to his previous role as Tottenham's technical co-ordinator than work as interim head coach until the end of the season amid mounting speculation that Netherlands coach Louis van Gaal could take the job next summer.
Former Portugal coach and Manchester United assistant manager Carlos Queiroz is interested in the vacancy at White Hart Lane.
Chelsea manager Jose Mourinho wants to stay at Chelsea for 12 years as manager, having taken a pay cut to return to Stamford Bridge from Real Madrid.
West Brom chairman Jeremy Peace flew abroad to speak to a potential replacement for Steve Clarke last week, sparking suggestions he could be targeting Real Madrid assistant coach Paul Clement or Stewart Baxter, currently in charge of South African side Kaizer Chiefs.
England and Chelsea left-back Ashley Cole, 33, will wait and see whether he plays more regularly in the second half of the season before deciding whether to retire in the summer.
GLOBAL GOSSIP (from BBC Monitoring)
Lionel Messi's father Jorge Messi has said that his son's future is tied to Barcelona.
French club Auxerre's Paul George Ntep is being courted by Italian side AS Roma. The 21-year-old midfielder was approached by a Qatari club last summer.
Barcelona keeper Victor Valdes says he has not taken a decision about his future. The 31-year-old has a formal offer from French side AS Monaco.
Struggling Eredivisie side NAC Breda's players celebrated Saturday's 1-0 win over Cambuur by jumping into a jacuzzi next to the pitch.