Forget $55million Star – Arsene Wenger Ready to Seal $20million Star Signing

Arsenal must sign a top center back this summer to reinforce the defense after 31-year-old Per Mertesacker suffered a long term injury.
Arsene Wenger has confirmed that the club are looking to sign an experienced player for the central defense. German international Shkodran Mustafi has been in the limelight and he is has a release clause of $55 million in his contract (Sky)
However, according to the latest reports, another experienced defender is linked with a move to the Emirates in the form of West Brom star Jonny Evans.
As per Mirror, the French manager is now mainly focusing on signing the former Manchester United star who is rated around 15 million pounds ($20 million).
The 28-year-old Northern Irish center half has played over 250 games in his club career so far. He won three Premier League titles with the Red Devils.
Last season, Evans featured in thirty four games for the Baggies, scored one goal and provided two assists.
In your opinion, should Arsenal sign Mustafi or Evans?