Xhaka, who has been out of the side since being booed after being subbed against Crystal Palace, which has seen him have a major fallout with the Gunners faithful.
Meanwhile, worldwide team-mate Zakaria has flourished for Gladbach this season, during their rise to the top of the Bundesliga.
They are fighting off interest from several of European football's big-hitters for the 22-year-old.
The pair play together for Switzerland - Xhaka has been capped 78 times since 2011, whilst Zakaria has 24 caps in the past three years.
"In the club and of course on the national team".
A move back to Germany may well suit Xhaka, given the very public nature of his fall-out with the Arsenal fanbase.
This was backed up when Luke Edwards of The Telegraph, who is close to Steve Bruce, said the NUFC Head Coach had made a central midfielder the priority in the next window and that Xhaka was first choice if Newcastle could get him on loan.
Then Thursday saw Giancomo Moccetti, a sports journalist with RSI Television in Switzerland saying that he could confirm that both Newcastle United and AC Milan are "currently negotiating" for Granit Xhaka.
Meanwhile, Legit.ng had reported that Granit Xhaka has ruled himself out of Arsenal's important Premier League game against Leicester City and he may not play for the Gunners again.
"But I'm doing very well again, I've trained well this week and am looking forward to my next assignments". I don't know, because if he is available in his mind to continue helping us and continuing defending the Arsenal shirt, I think time is giving us that solution.