|Date of birth||21 September 1999|
|Place of birth||Calcinate, Italy|
|Height||1.88 m (6 ft 2 in)|
|2018–2019||→ Carrarese (loan)||5||(0)|
|2019–2020||→ Südtirol (loan)||7||(0)|
|2020–||→ Ravenna (loan)||24||(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 8 August 2018
Loan to Carrarese
On 6 July 2018, Alari joined to Serie C club Carrarese on a season-long loan. On 29 October he made his professional debut in Serie C for Carrarese, as a starter, in a 0–0 away draw against Pontedera, he was replaced by Giacomo Rosaia after 86 minutes. Five days later, on 4 November, he played his first entire match for the team, a 3–0 home win over Albissola. Alari ended his season-long loan to Carrarese with only 5 appearances, including 4 entire matches and all as a starter, however he remain an unused substitute 36 times during this season at Carrarese.
Loan to Südtirol
On 12 July 2019, Alari was loaned to Serie C side Südtirol on a season-long loan deal. On 25 September he made his debut for the club as a substitute replacing Daniele Casiraghi in the 83rd minute of a 3–0 home win over Fermana. On 1 December he played his first match as a starter for the club, a 1–0 home defeat against Vicenza Virtus, he was replaced by Niccolò Romero in the 82nd minute. Two weeks later, on 15 December, he played his first entire match for the club, a 2–0 home defeat against Piacenza. Alari ended his season-long loan to Südtirol with only 6 appearances, however he remained an unused substitute for 25 other matches.
Loan to Ravenna
On 5 September 2020, Alari was signed by Serie C club Ravenna on a season-long loan deal. Three weeks later, on 27 September, he made his debut for the club in a 2–1 home defeat against Südtirol, he played the entire match. He became Ravenna's first-choice early in the season.
He was first called up to represent his country in February 2017, for an Italy national under-18 football team friendly. He was later called up into the Under-19 and Under 20 squads, also for friendlies.
- As of 18 March 2021
|Carrarese (loan)||2018–19||Serie C||5||0||0||0||—||—||5||0|
|Südtirol (loan)||2019–20||Serie C||6||0||0||0||—||—||6||0|
|Ravenna (loan)||2020–21||Serie C||24||0||0||0||—||—||24||0|
- "Profile by TuttoCalciatori" (in Italian). TuttoCalciatori. Retrieved 2 November 2018.
- "Un promettente gigante per la difesa azzurra" (in Italian). Carrarese. 6 July 2018.
- "Game Report by Soccerway". Soccerway. 29 October 2018.
- "Carrarese vs. Albissola - 4 November 2018 - Soccerway". uk.soccerway.com. Retrieved 2018-11-15.
- "Italy - A. Alari - Profile with news, career statistics and history - Soccerway". uk.soccerway.com. Retrieved 2019-05-26.
- "UFFICIALE - Alari, Ierardi e Taliento firmano col Sudtirol". www.tuttoc.com (in Italian). Retrieved 2019-07-12.
- "Südtirol vs. Fermana - 25 September 2019 - Soccerway". uk.soccerway.com. Retrieved 2019-10-14.
- "Südtirol vs. Vicenza Virtus - 1 December 2019 - Soccerway". uk.soccerway.com. Retrieved 2019-12-04.
- "Südtirol vs. Piacenza - 15 December 2019 - Soccerway". uk.soccerway.com. Retrieved 2019-12-21.
- "UFFICIALE - Ravenna, arriva in prestito Alari dall\'Atalanta". www.tuttoc.com (in Italian). Retrieved 2020-09-08.
- "Ravenna vs. Südtirol - 27 September 2020 - Soccerway". uk.soccerway.com. Retrieved 2020-10-11.
- "Alari U-18 profile by Italian Football Federation" (in Italian). Italian Football Federation. Retrieved 2 November 2018.
- "Alari U-19 profile by Italian Football Federation" (in Italian). Italian Football Federation. Retrieved 2 November 2018.
- "Inizia il cammino verso i Mondiali. Gli Azzurrini superano il primo test contro il San Marino" (in Italian). Italian Football Federation. 8 August 2018.