The youngest sports commentator is Zach Spedden (USA) (b. 8 July 1992), who on 25 August 2002 called an entire nine inning baseball game aged 10 years 48 days.
The game was played at Municipal Stadium in Hagerstown, Maryland, USA between the Hagerstown Suns and the Kanappolis Intimidators and broadcast on WHAG 1410 AM. Spedden also presented the pre-game show and post game analysis.
Comments below may relate to previous holders of this record.