Born in Watford, Grieves was first spotted at 8 years old when playing in a local tournament, and was signed in 2013 after a trial at the club.[1]
Jack was released from the Academy at 14 in 2019, and went to play football at Everett Rovers and then Leverstock Green.
Grieves joined Watford for the second time in 2020 after taking another trial.[2][3]
Senior career
He made his senior Watford debut on 7 January 2023, coming on as a second-half substitute for Leandro Bacuna in a 2–0 home defeat to Reading in the second round of the FA Cup.
In June 2023, Watford announced that Grieves had been offered a professional contract with the club.[4] The following month, he signed a three-year contract with the club holding an option to extend the deal by a further year.[5]
Grieves joined Ross County in July 2024 on a loan deal until the end of the season.[6]
Personal life
Grieves hails from a footballing family, with a number of relatives playing for Watford. His great-grandfather was wing-half Reg Williams, while his great-great-grandfather was goalkeeper Skilly Williams.[7] His father, Darren, most notably played for AFC Wimbledon, while his uncle, Danny, played as a midfielder.[2][8]