Watch: Lionel Messi scores in third minute to give Barcelona lead in UCL vs. Celtic
Lionel Messi struck quickly to open Barcelona's 2016-17 Champions League campaign, giving the club a 1–0 lead over Celtic in its group stage match.
The goal marks Messi's 84th career score in the Champions League.
Advice to Celtic: You probably don't want to give Lionel Messi this much space. Watch Messi's goal below.
Messi is nine goals behind Cristiano Ronaldo for the all–time Champions League record.
Barcelona is in Group C with Celtic, Borussia Monchengladbach and Manchester City. Monchengladbach's match with Manchester City was postponed due to weather conditions.
Barcelona was eliminated in the quarterfinals of last year's Champions League by Atletico Madrid.