Career
He was a right-handed batsman and right-arm medium-pace bowler who played for Lincolnshire. He was born in Evesham. Jelfs made his cricketing debut for Worcestershire Young Cricketers in 1967, 24 years before his only List A appearance.
He appeared for Lincolnshire in the Minor Counties Championship competitions in 1990 and 1991, making his only List A appearance for the side in the 1991 National Westminster Trophy.
From the lower-middle order, he scored 25 runs with the battalion He conceded 51 runs from 9 overs with the ball.