Neat defending he gives at times but can be very agressive, it's everyones dream to represent the badge.
Hala Madrid
He is 29 years old and appears regularly with chelsea and is still included in the German squad. With that age I think it is a good investment from Madrid. He performed pretty well, but it's true what you said with chelsea he got 9 yellow cards in 34 games in the EPL. But during 2017 I didn't see him getting a red card. Sometimes we need hard players, opponents will think extra and that's advantageous for Madrid. Of course, his arrival can add to Madrid's defensive strength.
Yes he'll add a lot, I think Militao did flopped did season very well.
During the Champions League game's and La Liga.
But I'm not certain who comes up for him anyways, one thing is that Alaba will make a good pair with Rudiger.