|Date of birth||1 October 1996|
|Place of birth||Dublin, Ireland|
|Height||1.93 m (6 ft 4 in)|
|Weight||108 kg (17.0 st; 238 lb)|
|School||St Michael's College|
|University||University College Dublin|
|Rugby union career|
Deegan was promoted to Leinster's senior squad ahead of the 2017–18 season, having made three appearances for the province during the previous season.
Deegan was named Player of the Tournament for his part in helping Ireland Under-20s reach their first ever final during the 2016 World Rugby Under 20 Championship. Deegan received his first call up to the senior Ireland squad on 15 January 2020 for the 2020 Six Nations Championship and got his first senior cap against Wales on the 8 February 2020.
- "Max Deegan awarded senior contract as Leinster recruit five Ireland U20s to academy". The42. 27 June 2017. Retrieved 11 September 2017.
- "Ireland's Max Deegan named World U20s Best Player after tournament to remember". SportsJoe. 25 June 2016. Retrieved 11 September 2017.
- "Six Nations: Johnny Sexton to captain Ireland as Andy Farrell's reign begins". BBC Sport. 15 January 2020. Retrieved 20 January 2020.
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