Striker appeared to elbow Winston Reid during his side's 3-1 victory over West Ham.
Tigers confirmed the transfer cost more than the £10m they paid for Abel Hernandez.
The Bundesliga pair will fight it out for the Germany international up until the transfer deadline.
Argentine coach wants to add a direct attacking option before transfer window closes.
The 27-year-old becomes the Gunners' fourth signing of the summer ahead of Shkodran Mustafi arrival.
Tottenham, Everton, Stoke City and Celta Vigo had been linked with the 20-year-old forward.
Remy reunites with his former Newcastle United coach Alan Pardew.
The Frenchman joined the Reds in a big-money move last summer.
27-year-old striker says that he is now fully committed to the Blues.
Gunners midfielder keen for first-team football opportunities away from the Emirates.
The Turkey international has enjoyed an impressive start to the season.
Marcus Alonso spent three years in Bolton before moving to Fiorentina.
The ex-Burnley star has not played for the Reds so far this season.
The Three Lions skipper confirmed his decision at an England news conference.
Calum Chambers has made 59 appearances for Arsenal since joining in 2014.
Spain international becomes Catalans' sixth signing of the summer.
Gordon McQueen says the World Cup winner's spell at Old Trafford has been a mess.
The duo have fallen out-of-favour at Real Madrid following the return of Marco Asensio.
Forlan, 37, says the only Premier League club he will play for is Manchester United.
Wilshere has made only two substitute appearances thus far this season.
Club president refuses to confirm the expected signing of Paco Alcacer from Valencia.
The 24-year-old has not started a game this season and is braced to leave the Gunners on loan.
Will Keane has made just three senior appearances for Manchester United.
Luan played a key role in helping Brazil win their first football gold at the 2016 Olympic Games.
The England international has been told he is free to leave the Etihad by Pep Guardiola.
Luis Alberto has made only 12 appearances for Liverpool.
The Manchester United skipper is set to become England's most capped outfield player.
Wisdom, 23, has not played a single minute of first-team football under Reds manager Jurgen Klopp.
Walcott has already scored and registered an assist for Arsenal this season.
Ferdinand was allowed to leave Manchester United as a free agent in 2014.