Felipe Rivero has a 1.47 ERA and 2.51 FIP out of the pen this season, and he struck out 30 percent of hitters this season. He has been historic, having the third lowest ERA among relievers in a season in Pirates history. On the season Rivero has pitched with the following scores, with percentage being the appearances over the total games pitched:
Score | Appearances | Percentage |
| <=-4 | 2 | 3. |