1991
| Played | Won | Lost | Draws | For | Against | Points | Position |
| 22 | 15 | 6 | 1 | 393 | 299 | 31 | 3rd? out of 16 |
| Round | Result | Venue |
| 1 | Brisbane 12 vs Manly 2 | Lang Park |
| 2 | Manly 26 vs Gold Coast 8 | Brookvale |
| 3 | Western Suburbs 4 vs Manly 8 | Campbelltown |
| 4 | Manly 14 vs North Sydney 10 | Brookvale |
| 5 | Manly 11 vs St.George 8 | Brookvale |
| 6 | Canberra 12 vs Manly 46 | Bruce Stadium |
| 7 | Manly 30 vs Parramatta 18 | Brookvale |
| 8 | South Sydney 15 vs Manly 24 | Sydney Football Stadium |
| 9 | Manly 8 vs Penrith 32 | Brookvale |
| 10 | Illawarra 28 vs Manly 14 | WIN Stadium |
| 11 | Newcastle 9 vs Manly 8 | Marathon Stadium |
| 12 | Manly 20 vs Eastern Suburbs 12 | Brookvale |
| 13 | Balmain 24 vs Manly 8 | Leichhardt |
| 14 | Manly 22 vs Cronulla 22 | Brookvale |
| 15 | Manly 22 vs Canterbury 12 | Brookvale |
| 16 | Manly 26 vs Brisbane 0 | Brookvale |
| 17 | Gold Coast 12 vs Manly 16 | Seagulls |
| 18 | Manly 8 vs Western Suburbs 9 | Brookvale |
| 19 | North Sydney 0 vs Manly 15 | North Sydney Oval |
| 20 | St.George 18 vs Manly 20 | Kogarah |
| 21 | Manly 13 vs Canberra 14 | Brookvale |
| 22 | Parramatta 20 vs Manly 30 | Parramatta |
| SF | Manly 16 vs North Sydney 28 | Sydney Football Stadium |
| SF | Canberra 34 vs Manly 26 |
