Journalist Charles Watts has now had his say on if Oleksandr Zinchenko or Jakub Kiwior should start for Arsenal against Porto on Tuesday evening. Oleksandr Zinchenko now faces a battle with Jakub Kiwior to get his regular starting berth at Arsenal back. Zinchenko recently returned from injury and made an appearance off the bench against Brentford on Saturday. In his absence, Kiwior has been impressing in the left-back berth, despite being a centre-back by trade. Kiwior and Zinchenko are very different types of players. In terms of physicality and styles of play, they have very disparate streng…