 McKoy signed for Grays Athletic on 26 June 2009, along with Serge Makofo, Marcel McKie and Allan McLeod.He was released from Grays Athletic without making an appearance and joined Bishop's Stortford on trial in August.McKoy signed for Sutton United on 22 December, making his debut in the 3–0 home win against Carshalton Athletic on 28 December.