By Tom Gott It’s first vs surprise second in Ligue 1 on Sunday as Paris Saint-Germain travel to face shock contenders Lens. The hosts, who finished seventh last season, have lost just once all season and sit tied with PSG for the best defence in Ligue 1 having shipped just ten goals across their 16 games. There’s a seven-point gap between the two sides and PSG will hope to extend that to ten with a ninth consecutive victory in all competitions. Here’s all you need to know about this one. Where are Lens vs PSG playing?Location: Lens, FranceStadium: Stade Bollaert-DelelisDate: Sunday 1 JanuaryKi…