Goals from Virgil Van Dijk and Mohamed Salah gave Liverpool a 2-0 win over rival Manchester United.
Mohun Bagan have a six-point lead on top of the I-League table.
Gennaro Gattuso replaced Carlo Ancelotti at Napoli last month, but the former AC Milan boss has lost four of five games since then.
Manchester United manager Ole Gunnar Solskjaer believes Liverpool have to demonstrate the ability to keep winning year after year before they deserve to be ranked alongside Manchester United's best outfits.
Pep Guardiola's 49th birthday celebrations went flat as Fernandinho's late own goal forced Manchester City to settle for a 2-2 draw against Crystal Palace.
ISL: Pritam Kotal and Jayesh Rane scored in the second-half for ATK, helping them beat FC Goa 2-0 and go top of the table.
Bundesliga: Erling Braut Haaland came off the bench to claim a hat-trick inside 20 minutes on his Borussia Dortmund debut and inspire a 5-3 comeback win at Augsburg.
Real Madrid climbed above Barcelona to top La Liga on Saturday as Casemiro scored twice in a gritty 2-1 win over Sevilla.
Fernandinho's late own goal forced Manchester City to settle for a 2-2 draw against Crystal Palace, while Tottenham were held to a goalless draw by Watford.
Manchester United will travel to Anfield as they take on table-toppers Liverpool on Sunday.
Ashley Young spent the past eight-and-a-half seasons at Old Trafford since arriving from Aston Villa in 2011 for around 20 million pounds ($26 million).
Pep Guardiola admitted that he is now interested only in securing a top-four finish and chasing honours in three cup competitions rather than events at Anfield involving Liverpool.
Modou Sougou and Amine Chermiti took advantage of defensive lapses by Bengaluru FC to help Mumbai City to a 2-0 win.
The newly formed club will come into existence from June 1 and will be a part of the Indian Super League from the 2020-21 season.
Inter Milan are two points behind Serie A leaders Juventus with promoted Lecce offering 50-year-old Antonio Conte a chance to take home three points.
Chennaiyin FC went to sixth in the Indian Super League with two stunners from Rafael Crivellaro and Nerijus Valskis.
Mohun Bagan will be rechristened ATK-Mohun Bagan from next season after the iconic club merged with ATK FC on Thursday.
Robbie Keane's son Hudson made off with the football even as the teams were lining up ahead of the Middlesbrough vsTottenham Hotspur match recently.