Maslin was a right-handed batsman who bowled both leg break and right-arm medium pace.
[1] Maslin made his debut for Lincolnshire against Shropshire in the 1961 Minor Counties Championship.
[6] Maslin also played first-class cricket for the Minor Counties, making his debut against the touring Pakistanis in 1967.
[9] He also played List A cricket for Minor Counties North, making his debut against Nottinghamshire in the 1972 Benson & Hedges Cup.
[6] Additionally, he played List A cricket for Minor Counties East, making his debut against Nottinghamshire in the 1976 Benson & Hedges Cup.