Arsenal are considering a move for Celtic's South Korean midfielder Ki Sung-yeung after the 23-year-old impressed the club's scouts.
The Gunners have also opened informal talks with Anderlecht for versatile Senegal midfielder Cheikhou Kouyate, 22.
The Russian side are also interested in signing Manchester United striker Dimitar Berbatov, 31, who is thought to be on his way out of Old Trafford.
Arsenal's talks over signing Nuri Sahin on loan from Real Madrid have stalled, with Liverpool, Tottenham and Manchester United said to be looking at the 23-year-old midfielder.
Chelsea are considering using Gael Kakuta as bait in their attempt to sign highly-rated defender Cesar Azpilicueta, 22, from Marseille.
Real Madrid have increased their offer for midfielder Luka Modric to £30m, but Tottenham are holding out for a fee of £40m for the 26-year-old.
Liverpool target Juan Manuel Vargas, 28, says he is happy to stay at Fiorentina despite being linked with the Anfield club for most of the summer.
Nigel Reo-Coker, 28, is considering offers from three Serie A clubs after turning down an offer to join Fulham following his departure from Bolton.
Championship clubs Leeds, Burnley and Millwall all want to sign Sheffield United captain Nick Montgomery. The 30-year-old is expected to be sold for £500,000.
Chelsea midfielder Frank Lampard, 34, will be part of the England squad for next week's friendly against Italy. Manager Roy Hodgson intends to rest several other senior players, such as captain Steven Gerrard, 32, and left-back Ashley Cole, 31.
Officials from the Football Association have visited 60 clubs to remind managers and players of their responsibilities over Twitter, anti-doping and gambling.
Team GB hockey player James Tindall thinks that the atmosphere at the Olympic hockey stadium is better than at Stamford Bridge, where he is a season ticket holder.