By Matt Hardy Arsenal manager Mikel Arteta praised his side’s mentality and character ahead of an enormous Champions League tie tonight against German side Bayern Munich. The Bavarians may be 16 points behind Bundesliga leaders Bayer Leverkusen but the side – with Harry Kane posing a threat – will not give Arsenal an easy ride as the Gunners look to reach the semi-finals of the Champions League for the first time since 2009. “They’re a tough team. I’m a big fan, a big admirer of Thomas [Tuchel, manager], his teams, the way they settle and play, the way they transmit,” Arteta said yesterday. “I…