Marmoush made his professional debut for Mansther City in the Egyptian Premier League on 8 July 2016, coming on as a substitute in the match against Al Ittihad Alexandria Club, which finished as a 3–2 win. In total, he made sixteen league appearances for Wadi Degla and scored two goals, before moving to VfL Wolfsburg II in 2017.[2]
VFL Wolfsburg
On 26 May 2020, Marmoush made his professional debut for Wolfsburg in their 4–1 win over Bayer Leverkusen in the Bundesliga at the BayArena. Marmoush signed his first professional contract for the club on 23 June. On 5 August 2020, Marmoush made his European debut in a 3–0 defeat (5–1 agg) against Shakhtar Donetsk in the UEFA Europa League round of 16. Marmoush returned to Wolfsburg after his breakthrough Bundesliga season with Stuttgart and was handed the number 33 shirt.
FC St. Pauli (loan)
On 5 January 2021, Marmoush was loaned to FC St. Pauli for the remainder of the season.[3] He played 21 games and scored 7 goals for the club.
VfB Stuttgart (loan)
On 30 August 2021, Marmoush was loaned out to VfB Stuttgart until the end of the season.[4] He scored a last minute equalizer against Eintracht Frankfurt on his debut. He was later named Bundesliga rookie of the month for September 2021. On 11 December 2021, Marmoush faced his parent club Wolfsburg and assisted Konstantinos Mavropanos's goal and in the 79th minute, Marmoush stepped up to take a penalty and he missed by hitting his panenka attempt off the crossbar. Marmoush was also named Bundesliga Rookie of the Month for March 2022.[5] He completed his loan spell having scored 3 goals in 21 games.
Return to Wolfsburg
On 30 July 2022, Marmoush scored his first goal for Wolfsburg in a 1–0 first round DFB-Pokal match against Carl Zeiss Jena. Marmoush scored his first Bundesliga goal for the club in a 3–2 win over his former loan club VFB Stuttgart.On 24 January 2023, Marmoush scored his first goal in 2023 in a 5–0 rout over relegation strugglers Hertha BSC. Marmoush haunted his former club Stuttgart again as he scored the only goal in a 1–0 win at the MHPArena. Marmoush finished the season with 36 appearances, 6 goals and 1 assist in all competitions.
On 13 August 2023, Marmoush scored his first goal for Eintracht Frankfurt in a 7–0 win over 1. FC Lokomotive Leipzig in the first round of the DFB-Pokal. On 27 August 2023, Marmoush scored his first Bundesliga goal for the club in a 1–1 draw against 1. FSV Mainz 05. On 21 September, he scored his first goal in European competitions from a penalty in a 2–1 win over Aberdeen during the Europa Conference League.[7]
Marmoush had a brilliant debut season as he scored 16 goals in 37 appearances in all competitions. He attracted transfer interest from Premier League clubs such as Arsenal, Liverpool, Newcastle and Tottenham thanks to his magnificent debut season for Die Adler.[8] Marmoush scored a brace in Frankfurt's 3–3 draw with Borussia Dortmund and a goal in their thumping 5–1 win against Bayern. With 12 goals in the 2023–24 season, Marmoush became the third-highest African goal scorer in Bundesliga.[9] Marmoush scored a crucial penalty against RB Leipzig to tie the match 2–2 to help Frankfurt qualify for the 2024–25 Europa League.[10]
2024–25 season
Marmoush contributed 6 goals and 3 assists in September, which earned him the Bundesliga Player of the Month award.[11] During that month, he scored a brace in a 2–1 victory against his former club VfL Wolfsburg,[12] and provided decisive goals in matches against Borussia Mönchengladbach and Holstein Kiel, overtaking Harry Kane as the league's top scorer during this period.[13]
In the Europa League, Marmoush made significant contributions, including a penalty against Besiktas and free-kick goals against Slavia Prague and Midtjylland. His ability to score from set pieces was highlighted by three consecutive free-kick goals in November.[14] He finished the first half of the 2024–25 season as second top scorer with 13 goals in 15 appearances.[15]
International career
Marmoush was included in Egypt's squad for the 2017 Africa U-20 Cup of Nations in Zambia. He made two appearances during the tournament, in which Egypt were eliminated in the group stage.[16]
On 19 March 2022, Marmoush was called up for Egypt's 2022 FIFA World Cup qualification third round matches against Senegal.[21] He played in both matches as Egypt were defeated 3–1 on penalties and knocked out of World Cup contention.[22] On 27 September, Marmoush scored the opening goal as Egypt beat Liberia 3–0 in a friendly match.[23]
Besides his Egyptian citizenship, Marmoush holds Canadian citizenship through his Egyptian Canadian parents who lived in Canada for six years before resettling in Cairo, where Marmoush was raised and started playing youth football with Wadi Degla youth academy.[26]