On Opening Day 2021, Yusmeiro Petit will be entering his age 36-season, and while the consensus on most pitchers that age is that they are in the throes of declining performance, the opposite appears to be the case for Petit.
A well-below league average pitcher at the start of his career - pitching to a 5.57 ERA from 2006-2009 - Petit would labor in the minor leagues for the next three years before finding his way to the San Francisco Giants. In parts of four seasons there, 2012-2015, Petit won a World Series, and pitched to a 3.