Back in his native Germany, Klopp won two Bundesliga titles and guided Dortmund to the 2013 Champions League final, where they were narrowly beaten by Bayern.
Without the Frenchman - and without Arjen Robben who had been replaced by Thiago Alcantara just moments earlier - Bayern lost any semblance of an attacking threat.
The sports playground - created as part of the Assist for Peace project in the Armenian quarter - was supported by many famous sportsmen to establish solidarity in Isreal.
Bayern Munich again surrendered a two-goal lead in a 2-2 draw at Hertha Berlin on Sunday in their first match since Carlo Ancelotti's shock sacking as the German giants slipped five points behind leaders Borussia Dortmund.
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Former club AC Milan have reportedly made contact with Ancelotti as pressure grown on existing boss Vincenzo Montella.
The 34-year-old Ribery, who is out of contract next June, was in clear distress after sprinting for the ball in the 62nd minute and had to be helped off.
"It's the knee, it will be necessary to have some additional tests to know more, but we suspect a rupture of the cruciate ligament", said Sagnol at Berlin's Olympic Stadium.
He added: "Our first-half display was acceptable but of course we totally let the game slip in the second half".
Salomon Kalou netted Hertha Berlin's equaliser against Bayern Munich.
That is the view of former Arsenal midfielder-turned-pundit Paul Merson. We paid dearly for not doing so. "We should have been more efficient".
But Ondrej Duda replied straight away, stabbing the ball home from close range after Japan's Genki Haraguchi eluded challenges from Boateng, Joshua Kimmich and Hummels to set him up.
"That's why I do not think Thomas Tuchel will be coach at Bayern. This shouldn't happen to a team like us".