Kylian Mbappe's Hat Trick Leads PSG Past Lionel Messi, Barcelona in UCL Thriller

Kylian Mbappe has Paris Saint-Germain one step closer to the UEFA Champions League quarterfinals after a 4-1 win over Barcelona. Mbappe tallied a hat trick at the Camp Nou on Tuesday to help PSG win the first leg of the round-of-16 tie...