|Date of birth||22 March 1999|
|Place of birth||Vizzolo Predabissi, Italy|
|Height||1.74 m (5 ft 9 in)|
|2018–2019||→ Novara (loan)||20||(1)|
|2019–2020||→ Juve Stabia (loan)||28||(2)|
|2020–||→ Pordenone (loan)||18||(0)|
* Senior club appearances and goals counted for the domestic league only and correct as of 18 March 2021|
‡ National team caps and goals correct as of 27 March 2019
Loan to Novara
On 24 August 2018, Mallamo joined to Serie C club Novara on a season-long loan. On 21 October he made his professional debut in Serie C for Novara as a 60th-minute substitute for Matteo Stoppa in a 2–0 away win over Pistoiese. On 3 November he played his first entire match for the team, a 1–1 away draw against Pro Vercelli. On 12 January 2019, Mallamo played as a substitute in the round of 16 of Coppa Italia, a 4–1 away defeat against Lazio. On 1 April he scored his first professional goal in the 47th minute of a 2–1 home defeat against Virtus Entella. Mallamo ended his season-long loan to Novara with 21 appearances, including 12 as a starter, and 1 goal.
Loan to Juve Stabia
On 11 July 2019, Mallamo was signed by newly promoted Serie B side Juve Stabia on a season-long loan deal. On 1 September he made his Serie B debut for the club in a 2–0 home defeat against Pisa, he played the entire match. Two weeks later. on 14 September, he was sent-off with a double yellow card in the 87th minute of a 0–0 away draw against Perugia. On 13 June 2020, Mallamo scored his first goal for the club in the 3rd minute of a 2–2 away draw against Frosinone and 4 days later, on 17 June, he scored his second goal in the 85th minute of a 3–2 win over Chievo. Mallamo ended his season-long loan to Juve Stabia with 28 appearances and 2 goals, however Juve Stabia was relegated in Serie C.
Loan to Pordenone
On 4 September 2020, Mallamo was loaned to Serie B club Pordenone on a season-long loan deal. Three weeks later, on 26 September, he made his debut for the club as a starter in a 0–0 away draw against Lecce, he was replaced by Davide Gavazzi in the 76h minute.
He was first called up to represent his country in September 2014 for Italy national under-16 football team friendlies.
- As of 18 March 2021
|Novara (loan)||2018–19||Serie C||20||1||1||0||—||—||21||1|
|Juve Stabia (loan)||2019–20||Serie B||28||2||0||0||—||—||28||2|
|Pordenone (loan)||2020–21||Serie B||18||0||1||0||—||—||19||0|
- "UFFICIALE: ALESSANRO MALLAMO IN AZZURRO" (in Italian). Novara. 24 August 2018. Archived from the original on 21 January 2019.
- "Game Report by Soccerway". Soccerway. 21 October 2018.
- "Pro Vercelli vs. Novara - 3 November 2018 - Soccerway". uk.soccerway.com. Retrieved 2018-11-06.
- "Lazio vs. Novara - 12 January 2019 - Soccerway". uk.soccerway.com. Retrieved 2019-02-12.
- "Novara vs. Virtus Entella - 1 April 2019 - Soccerway". uk.soccerway.com. Retrieved 2019-05-20.
- "Italy - A. Mallamo - Profile with news, career statistics and history - Soccerway". uk.soccerway.com. Retrieved 2019-05-20.
- "UFFICIALE: Juve Stabia, Elia resta. E arriva Mallamo". www.tuttomercatoweb.com (in Italian). Retrieved 2019-07-12.
- "Juve Stabia vs. Pisa - 1 September 2019 - Soccerway". uk.soccerway.com. Retrieved 2019-09-02.
- "Perugia vs. Juve Stabia - 14 September 2019 - Soccerway". uk.soccerway.com. Retrieved 2019-09-15.
- "Frosinone vs. Juve Stabia - 13 July 2020 - Soccerway". uk.soccerway.com. Retrieved 2020-08-05.
- "Juve Stabia vs. Chievo - 17 July 2020 - Soccerway". uk.soccerway.com. Retrieved 2020-08-05.
- "IL TALENTO DELL'ATALANTA MALLAMO PER IL CENTROCAMPO NEROVERDE" (Press release) (in Italian). Pordenone. 4 September 2020. Retrieved 8 September 2020.
- "Lecce vs. Pordenone - 26 September 2020 - Soccerway". uk.soccerway.com. Retrieved 2020-10-10.
- "Mallamo U16 profile by Italian Football Federation" (in Italian). Italian Football Federation. Retrieved 5 November 2018.
- "Mallamo U17 profile by Italian Football Federation" (in Italian). Italian Football Federation. Retrieved 5 November 2018.
- "Mallamo U19 profile by Italian Football Federation" (in Italian). Italian Football Federation. Retrieved 5 November 2018.