Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 West Brom U21 | 4 | 1 | 3 | 0 | 0 | 0 | 0 | 0 |
 Stoke City U21 | 3 | 2 | 0 | 1 | 1 | 0 | 0 | 0 |
 Crystal Palace U21 | 3 | 2 | 0 | 1 | 1 | 0 | 0 | 0 |
 Tranmere Rovers | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Fulham U21 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
 Tottenham U21 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
 Brighton U21 | 2 | 1 | 0 | 1 | 1 | 0 | 1 | 0 |
 Arsenal U21 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Manchester United U21 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Chelsea | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Leicester City | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Cardiff City | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Newport County | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
 Walsall | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Salford City | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Bradford City | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Shamrock Rovers | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Chesterfield | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 AFC Wimbledon | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Gillingham | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Scotland U21 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Scotland U19 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Joe O'Brien Whitmarsh plays as a midfielder for Southampton U21. Throughout his career, Joe O'Brien Whitmarsh has scored 7 goals and provided 1 assists in 38 appearances across 2 clubs. Among the clubs he has represented — Accrington Stanley, Cork City — Joe O'Brien Whitmarsh was most prolific at Cork City, where he scored 4 goals in 24 appearances. Joe O'Brien Whitmarsh stands 173 cm tall, weighs 73 kg.
