Background
He was born at Brown Hill, Nevis.
He was born at Brown Hill, Nevis.
Walwyn was a right-handed batsman who bowled right-arm off break. Walwyn made his first-class debut for the Leeward Islands against Barbados in the 1993/94 Red Stripe Bowl. He made six further first-class appearances for the team, the last of which came against Jamaica in the 1994/95 Red Stripe Bowl.
In his seven first-class matches, he scored 300 runs at an average of 27.27, with two half centuries and a high score of 80, which came against Trinidad and Tobago at Sturge Park in the 1993/94 Red Stripe Bowl.
He also played List A cricket for the Leeward Islands, making his debut in that format against Barbados in the 1993/94 Geddes Grant Shield. In six List A appearances, he scored 91 runs at an average of 18.20, with a high score of 32.
In February 2006, Walwyn played for the United States Virgin Islands in the 2006 Stanford 20/20, whose matches held official Twenty20 status. He made two appearances in the tournament, in a preliminary round victory against Street Maarten and in a first-round defeat against Street Vincent and the Grenadines.
He later played for the United States Virgin Islands in their second appearance in the Stanford 20/20 in 2008, making two appearances in a preliminary round victory against Street Kitts and in a first-round defeat against Antigua and Barbuda.
In his four appearances, he scored a total of 68 runs at an average of 17.00 and a high score of 40.