There probably aren’t that many people in the wild who want the San Francisco Giants to bring back the recently designated for assignment Madison Bumgarner, but just in case, let’s go through all the reasons why it’s a dumb idea.
Since leaving the Giants (beginning 2020 season), he has been the worst starting pitcher in Major League Baseball, with a win above replacement of just 1 (using FanGraphs measurement). That’s out of 84 qualified pitchers. If I lower the qualification metric down to 210 IP (which is about 70 IP a year for a decent to good reliever), he becomes 9th-worst and only Josiah Gray (-0.