| Player | Pos | Mat | Start | Sub | YC | RC |
|---|---|---|---|---|---|---|
| J Tipuric (Osp) | F | 16 | 16 | 0 | 4 | 0 |
| DR Biggar (Osp) | FH | 21 | 19 | 2 | 3 | 0 |
| RJ Harley (Glasg) | F | 21 | 19 | 2 | 3 | 0 |
| RMS Vosawai (Trevi) | F | 17 | 12 | 5 | 3 | 0 |
| JW Beattie (Glasg) | N8 | 12 | 6 | 6 | 2 | 0 |
| T Benvenuti (Trevi) | W | 9 | 9 | 0 | 2 | 0 |
| LFM Cullen (Leins) | L | 9 | 7 | 2 | 2 | 0 |
| IR Evans (Osp) | L | 15 | 14 | 1 | 2 | 0 |
| IM Gough (Osp) | L | 12 | 12 | 0 | 2 | 0 |
| RM Hibbard (Osp) | H | 20 | 18 | 2 | 2 | 0 |
| JER Houston (Edinb) | W,C | 8 | 6 | 2 | 2 | 0 |
| AD Kellock (Glasg) | L | 10 | 9 | 1 | 2 | 0 |
| R Loughney (Conn) | P | 20 | 15 | 5 | 2 | 0 |
| P MacArthur (Glasg) | H | 19 | 11 | 8 | 2 | 0 |
| RJ McCusker (Scarl) | BR | 11 | 11 | 0 | 2 | 0 |
| A Masi (Airon) | C | 5 | 5 | 0 | 2 | 0 |
| MR O'Driscoll (Munst) | L | 19 | 19 | 0 | 2 | 0 |
| D Rogers (Conn) | 9 | 3 | 6 | 2 | 0 | |
| F Semenzato (Trevi) | SH | 12 | 6 | 6 | 2 | 0 |
| ST Sinoti (Airon) | W | 20 | 20 | 0 | 2 | 0 |
| T Smith (Osp) | F,N8 | 23 | 16 | 7 | 2 | 0 |
| F Staibano (Airon) | P | 14 | 13 | 1 | 2 | 0 |
| MJ Swift (Conn) | L,BR | 18 | 18 | 0 | 2 | 0 |
| T Tebaldi (Airon) | SH | 22 | 20 | 2 | 2 | 0 |
| PD Tito (Cdiff) | L | 15 | 13 | 2 | 2 | 0 |
| G Toniolatti (Airon) | W,SH | 11 | 9 | 2 | 2 | 0 |
| D Varley (Munst) | H | 13 | 10 | 3 | 2 | 0 |
The count for yellow cards is for single yellows for a player. Two yellow cards in a match are recorded as one red card.
| Records include the following current or recent matches: |
|
Leinster v Ospreys at Dublin, RaboDirect PRO12 Final, May 27, 2012 [30-31 FT] |
|
Leinster v Glasgow at Dublin, RaboDirect PRO12 Semi final, May 12, 2012 [19-15 FT] |
|
Ospreys v Munster at Swansea, RaboDirect PRO12 Semi final, May 11, 2012 [45-10 FT] |
