He made his only List A appearance against Yorkshire in the 1992 NatWest Trophy.
He made his List A debut against Hampshire in the 1984 NatWest Trophy.
He made a further appearance against Ireland in the 1999 NatWest Trophy.
He scored his only half century when he made 53 against the Netherlands in the 2000 NatWest Trophy.
He made his only List A appearance against Somerset in the 1988 NatWest Trophy.
He made a further List A appearance against Somerset in the 1993 NatWest Trophy.
He made a further List A appearance, again against Essex, in the 1987 NatWest Trophy.
He made his only List A appearance against Durham in the 1998 NatWest Trophy.
He made his List A debut against Ireland in the 1999 NatWest Trophy.
Greasley made a two List A appearances for the team, between 1995 and 1996, in the NatWest Trophy.