Istanbul, Oct. 14 -- Barcelona came from behind to thrash Galatasaray 4-1, while Arsenal scored three second-half goals in seven minutes to beat Lille 3-0 in the UEFA Champions League league phase on Tuesday, as both sides secured convincing victories on matchday two.

Aleksey Batrakov gave Galatasaray the lead in the 28th minute, but Joao Cancelo equalised for Barcelona in the 43rd minute.

Fermin Lopez put Barcelona ahead in the 50th minute with a header from a Lamine Yamal cross. Yamal then set up Anthony Gordon three minutes later to extend the lead, before substitute Karim Adeyemi scored in the 65th minute to complete the rout.

Meanwhile, Arsenal defeated French side LOSC Lille 3-0 in the UEFA Champions League league phase on Tuesda...