Firmino joined in the summer in a £29 million deal, and has shown flashes of what he can do.
The Australian remains a cult hero at Leeds.
Aiden McGeady has left Everton to join Sheffield Wednesday on loan.
Steven Fletcher joined Marseille on loan from Sunderland.
Sol Bamba and Mirco Antenucci have both been linked with Leeds United exits in recent times.
Tottenham Hotspur have created a squad without egos, according to Toby Alderweireld.
The Villa boss has already brought Jordan Lyden into the senior setup and had 19-year-old Niall Mason on the bench for the 2-0 loss at West Ham United earlier this week.
Tomas Mejias has committed his future to Middlesbrough until 2018.
Ross Barkley has become a much more refined player for Everton this season.
Liverpool manager Jurgen Klopp addressed the media ahead of his side's Premier League clash with Sunderland tomorrow afternoon.
The defence secretary, Michael Fallon, has accused the Labour party of being a threat to national security in light of the appointment of unilateralist MP Emily Thornberry as shadow defence secretary.
Marko Grujic was confirmed as a Liverpool player yesterday.
Jeremy Corbyn faces a continuing struggle to assert his authority over the shadow cabinet after Hilary Benn directly challenged the central aim of his lengthy reshuffle: to achieve a consensus over foreign and defence policy.