The Centenary season for Swansea RFC who are Welsh Merit Table Champions winning 31 out of 47 fixtures.
| P | W | D | L | Pts. For | Pts. Ag. | T | P | D | C |
| 47 | 31 | 4 | 12 | 728 | 451 | 113 | 54 | 2 | 54 |
CAPTAIN : ROBERT DYER
MOST APPEARANCES : 42 (ALAN MAGES)
MOST TRIES : 15 (ROGER BLYTH & GWYNFOR HIGGINS)
MOST POINTS : 251 (ROGER BLYTH)
WALES CAPS :
v Aust : Mervyn Davies & Phil Llewellyn
v S : Mervyn Davies & Phil Llewellyn
v I : Mervyn Davies & Geoff Wheel (d)
v F : Mervyn Davies
v E : Roger Blyth (d), Mervyn Davies, Phil Llewellyn & Geoff Wheel (sub)
Wales ‘B’ v France ‘B’ : Roger Blyth & Geoff Wheel
West Glamorgan v Japan : Mervyn Davies, Trevor Evans, Phil Llewellyn,
Alan Mages, John Morgan & Geoff Wheel
Western Counties v Japan : John Davies, Mark Keyworth & Allan Lewis
Wales v Japan : Mervyn Davies & Phil Llewellyn
* Merit Table Champions
* Roger Blyth established individual points record for a season
* British Lions to South Africa : Mervyn Davies.
On 3rd ovember 1973 Swansea, in their Centenary Season hosted the touring Australians at St Helens. Having won and lost twice against touring Wallaby sides, the ‘score’ remained level as this game was drawn 9 – 9. But it took a penalty in injury time to decide the result of this game. With four extra minutes played the tourists were awarded a penalty more than fifty yards from “The Whites” posts. Jeff McClean, who had scored twice before in the match, was again successful and the match was drawn. for Swansea Roger Blyth kicked a thirty yard penalty, Mike Yandle scored the only try of the game while the whole Whites team played themdselves to a standstill.