"Eins kommt zum Anderen" (literally "one comes to the other") - is a phrase suggesting (in the below context) that one bad thing is leading to another bad thing, as might happen when your boss gives you a dressing-down, which, in turn, puts you in a foul mood, so you say something stupid to your wife, who gets angry with you ...
The gentleman, Jürgen Klopp, is the coach of Germany's (normally at least) second best soccer team: Borussia Dortmund.
While performing brilliantly and dominating its qualifying group in the prestigious and highly lucrative European Champion's League, Borussia is miraculously unsuccessful in Germany's top soccer league: the Bundesliga. After a series of consecutive defeats, Borussia is now under enormous pressure in the national competition, when at the same time playing the best teams of Europe (like Arsenal London, tonight) still seems to Borussia like a walk in the park.
I like how "Kloppo" retains his sense of humour, laughing about himself as he realises his English is not getting him where he wants it to take him.
Later in the clip, "Kloppo" comments on Arsenal's last match in the English Premier League, when "the Gunners" were clearly better than Manchester United, yet lost 1:2 at the end of the day. While not occupying a relegation position in the national league, as Borussia Dortmund bizarrely does, Arsenal is not doing well in the English league either. However, advises "Kloppo", Arsenal are "strong, if you let zemm be strong [... so, not to let them be strong ...] zatt is our chopp:"