Stade Français Paris and Edinburgh Gunners will join the teams to have played 50 Heineken Cup matches when they clash with ASM Clermont Auvergne and Toulouse respectively in Round 3.
Seven other teams have broken the half century of tournament matches already with the two newcomers the only teams who will join them during this season.
For the record, the Edinburgh and Stade Francais teams in their first Heineken Cup matches were:
12 October, 1996 - Bath 55 Edinburgh 26
HT: 38-9 Attendance: 6,500
Bath: Tries - J Guscott (2), V Ubogu, A Robinson, S Ojomoh, A Adebayo, J Callard; Cons - J Callard (7); Pens - J Callard (2)
Edinburgh: D Lee; S Reed, S Hastings (capt), C Simmers, S Lang; D Hodge, G Burns; A Watt, G Ellis, B Stewart, P Jennings, A Lucking, B Ward, G Dall, D Clark
Replacement used: C Mather
Scorers: Tries - D Hodge, D Lee; Cons - D Hodge (2); Pens - D Hodge (4)
Referee: Gareth Simmonds (Wales)
19 September, 1998 - Begles-Bordeaux 28 Stade Francais 39
HT: 9-32 Attendance: 5,000
Begles-Bordeaux: Penalty try; Tries - G Accoceberry, C Schuwer; Cons - J Berthe (2); Pens - J Berthe (3)
Stade Francais: S Viars; G Abadie, R Dourthe, Comba, T Lombard; D Dominguez, Loustau; S Marconnet, L Pedrosa, P de Villiers, D Auradou, D George, C Moni, R Pool-Jones, S Keith
Replacements used: S Simon, V Moscato, P Gimbert, H Chaffardon, C Juillet
Scorers: Tries - T Lombard (2), L Pedrosa, Loustau, G Abadie; Cons - D Dominguez (4); Pens - D Dominguez (2)
Referee: Jim Fleming (Scotland)