French champion Paris Saint-Germain threw away a 2-0 lead to draw 2-2 with 15th-place Troyes in another disappointing performance on Sunday. PSG was in control of the league game after 25 minutes with goals from central defender Marquinhos, after Angel Di Maria's pinpoint cross, and forward Neymar, who scored from the penalty spot after Kylian Mbappe was fouled. But poor …