The Arsenal manager says the Chilean's move to the right wing has profited the player.
Rangers beat Celtic on penalties in the Scottish Cup this afternoon.
The Celtic goalkeeper reveals his tactics did not pay off as his side slipped to defeat to Rangers at Hampden Park.
Eric Black has taken caretaker charge of the club's last three games following Remi Garde's departure and the suggestions are that the board could wait until the end of the season to find a permanent successor to the Frenchman.
Sunderland and Crystal Palace are reportedly keen on Lorient forward Benjamin Moukandjo.
Referee Jonathan Moss had an eventful afternoon today.
Liverpool won against Bournemouth in the Premier League on Sunday.
Newcastle United won against Swansea City in the Premier League on Saturday.
Vladimir Weiss stuck the boot into Celtic's Scott Brown for his role in Rangers' opener during the Scottish Cup semi-final.
Chris Wood admits it was tough being on the sidelines but says he finally feels up to speed again after a recent run of games.
Gonzalo Rodriguez has shone against Tottenham in the past and is a free agent this summer.
The bonus reductions primarily affected senior bankers and traders, as the pool for junior employees increased in a bid to retain talent,
Everton bid for Franck Kessie last month but he is determined to sign for Manchester United.
Aston Villa are currently in 17th place in the Championship table, after a poor run of form.
Tottenham Hotspur defender Kyle Walker made reference to his earlier comments.
The first inkling I had that I was going to lose my job was when my boss at UBS in New York suggested we go off the desk for a coffee.
The Hull City player has been linked with a move to Tottenham Hotspur.
Sunderland youngster scored again this week.
Arsenal youngster is impressing at Charlton.
Celtic are reportedly pursuing Southampton's Ross Wilson again.