The Gunners goalkeeper has praised the Chilean following his impressive first season in the Premier League.
Captain Michael Bradley and goalkeeper Brad Guzan both starred as Jurgen Klinsmann's men secured a shock 2-1 friendly win in Cologne.
West Ham's bid for Andre Ayew reportedly failed due to Swansea's wage offer.
Sunderland striker Steven Fletcher is reportedly keen on joining Celtic.
The youngster made his Premier League debut in March against Tottenham Hotspur and is targeting more of the same in the future.
The German World Cup winner has praised the duo after their emergence in the Arsenal first-team last season.
The Croatian and his Besiktas side impressed in several matches against Premier League opposition last season.
Newcastle fans were fairly split as Steve McClaren arrived as the club's new manager.
Southampton have reportedly had a bid rejected for Sevilla's Grzegorz Krychowiak.
One of those players recently released by Leeds United has found a new club.
Comparing Arsenal forward Danny Welbeck with Atletico Madrid striker Mario Mandzukic.
Divock Origi helped Lille to a point in Germany as the Belgian scored his first goal in the Europa League against Wolfsburg.
Sheffield United are reportedly seeking a favour from former boss Neil Warnock in their bid to sign Crystal Palace centre back Paddy McCarthy.