After his team won the FA Cup, he said he could not be prouder.
After a goalless 90 minutes and extra time, the Reds won the Carabao Cup on penalties.
I couldn't be more proud of my boys, how hard they fought and the shift they put in.
It was an incredible game, a nerve-wracking shootout, and my nails are gone.
It was the first time a German manager had won the FA Cup and it was also the second time in less than three months.
After Alisson saved Mason Mount, the shootout went to sudden death with the advantage going to the Reds.
It was intense, just like in the Carabao Cup, and it would have been the same way if it had been played.
In the end there was only one winner and that was us today.
For the way they have responded to setbacks as they chase glory on four fronts this season, they have been christened the mentality monsters.
After playing their part in another absorbing encounter between the two clubs, the Reds boss said that Tuchel's Chelsea also merited that title.
The sides traded gilt-edged chances during a rollercoaster period of normal time and each struck the woodwork.
For the second time, 120 minutes and you get nothing, that is too hard. For us, I am pretty happy.
We are mentality monsters, but there were mentality monsters in blue as well.
After the Reds won the second trophy in their four-title quest, the pundits were amazed at their performance.
Alan Shearer said that the way they have done it is incredible.
They were pushed all the way. They were tested. The questions were asked and they came out on top.
More to come.