Following multiple rounds of demanding international football, players have returned to their respective clubs and are gearing up to feature in the UEFA Champions League.Ambitious as ever, the UEFA Champions League stars are set to put their best foot forward on the third matchday. We will be assessing all the top UEFA Champions League matchday three fixtures and tell you which stars have the potential to stand out.Now, without further ado, let us check out the top five players to watch on the third matchday of the UEFA Champions League.#5 Luis Suarez - Atletico MadridAtletico Madrid v FC Porto: Group B - UEFA Champions LeagueUEFA Champions League has a knack for setting up heartwarming reunions. Liverpool’s trip to Atletico Madrid’s Wanda Metropolitano Stadium is set to reunite one such legend with his old club.Luis Suarez, who has emerged as Atletico Madrid’s talisman used to light Anfield up every weekend for Liverpool. He left the club after losing out on the Premier League title to Manchester City in 2014 and has not looked back since. The Uruguayan was on the scoresheet for Atletico against AC Milan on matchday two and will fancy himself to hurt his former club on Tuesday night.Goal News@GoalNewsAtletico Madrid vs Liverpool raises a big question... Prime Salah or Prime Suarez? 🧐✍️ @neiljonesgoal2:14 PM · Oct 18, 2021155474Atletico Madrid vs Liverpool raises a big question... Prime Salah or Prime Suarez? 🧐✍️ @neiljonesgoalJurgen Klopp is well aware of the threat Suarez brings to the table and will look to neutralize him at all costs. But knowing how crafty and potent the 34-year-old can be, we will not bet against him not scoring on Tuesday night.#4 Lionel Messi - Paris Saint-GermainParis Saint-Germain v Manchester City: Group A - UEFA Champions LeagueParis Saint-Germain got their hands on Barcelona skipper Lionel Messi in the summer transfer window. They signed the six-time Ballon d’Or winner for free and placed him alongside the formidable duo of Kylian Mbappe and Neymar. In Ligue 1, he is yet to get on the scoresheet. However, he has already opened his account in the UEFA Champions League with great aplomb.On matchday two of the UEFA Champions League, Lionel Messi went up against Pep Guardiola’s Manchester City. PSG completely outplayed the Premier League champions and it was Messi who dealt the final blow.Altin@Altin10iSo now in 2021, Messi has:- 2 goals vs PSG (including a worldie)- brace vs Bilbao in CDR final- 1 goal & 1 assist vs Sevilla- 1 assist vs Uruguay & Colombia- 2 goals vs Chile- 1 goal vs Man City - 1 goal vs Uruguay Big game player.1:54 PM · Oct 11, 20211422146So now in 2021, Messi has:- 2 goals vs PSG (including a worldie)- brace vs Bilbao in CDR final- 1 goal & 1 assist vs Sevilla- 1 assist vs Uruguay & Colombia- 2 goals vs Chile- 1 goal vs Man City - 1 goal vs Uruguay Big game player. https://t.co/8I3WweeAE6His stunning goal, which was set up perfectly by Kylian Mbappe gave us a glimpse of Messi’s raw genius, mesmerizing us all over again. PSG will play RB Leipzig on matchday three and will need some extra inspiration from Messi, especially with Neymar not playing. And knowing the Argentine, he could definitely emerge as the star of the show.