Lionel Messi stood and smiled, looking transfixed as Paris Saint-Germain fans chanted the soccer great’s name — “Leo Messi, Leo Messi” — before Saturday’s French league game against Strasbourg.

Lionel Messi stood and smiled, looking transfixed as Paris Saint-Germain fans chanted the soccer great’s name — “Leo Messi, Leo Messi” — before Saturday’s French league game against Strasbourg.