Paris Saint-Germain will hold off Stade Rennais on August 23 at Parc des Princes in Matchweek 1 of the 2026-2027 Ligue 1 season. PSG will secure a needed opening result against a Rennes side that beat them 3-1 on February 13, 2026, and will blunt the momentum Rennes hoped to carry from that earlier…