Baker, a right-arm fast who has been recorded at speeds round 90mph, got here by the Somerset academy however left the county to join Hampshire after the 2024 season.
He made his T20 debut for Southern Courageous in The Hundred in 2022 and took 19 wickets in 11 One-Day Cup matches for Somerset.
He joins Hampshire team-mate John Turner and Leicestershire left-arm fast Josh Hull on England improvement offers – the extent under the 27 gamers on full England contracts. Baker’s deal runs till September 2025.
All-rounder Jacob Bethell was awarded a improvement contract final 12 months however was upgraded to a full deal a month later after impressing on his Check debut towards New Zealand.
Bethell, 21, was the newest in a line of gamers to be handed a Check cap by England regardless of restricted first-class expertise.
Hull performed within the third Check towards Sri Lanka aged 20 in September whereas Shoaib Bashir made his debut final 12 months in India on the similar age, having performed six first-class matches.
Leg-spinner Rehan Ahmed turned the youngest man to play a Check for England when he was picked by captain Ben Stokes and coach Brendon McCullum in 2022.
The very fact Baker’s Lions performances have are available Australia can be important, given England’s senior facet journey down beneath for the Ashes later this 12 months.