Mertesacker will have just one year left on his current contract with the Gunners, at the end of this season.
The Sunday Mirror reports that Arsenal will offer the 29-year-old a new contract to keep him at the Emirates for the next three years.
Mertesacker has impressed manager Arsene Wenger this season and the Frenchman is keen to keep the 29-year-old at the club.
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Liverpool have unveiled their new home kit for next season, sticking with the hugely popular retro styling of the current shirt.
The reputation of the Premier League means it is the most popular and one of the most watched leagues in the world.