5 MLB pitchers who are underperforming based on their advanced metrics
Six weeks into the MLB season, we are beginning to see pitching rotations take shape and bullpens get called into action. However, some pitchers are underperforming. Here we will further examine five pitchers whose advanced metrics suggest better performance for the rest of the season.
MORE: Brewers star pitcher makes MLB history Friday night against Yankees Lance McCullers Jr. , Houston Astros Apr 11, 2026; Seattle, Washington, USA; Houston Astros starter Lance McCullers Jr. (43) delivers a pitch during the second inning against the Seattle Mariners at T-Mobile Park.
Mandatory Credit: Stephen Brashear-Imagn Images Through his first 7 starts of the season, Lance McCullers Jr. has posted a 7. 41 ERA through 34.
0 innings pitched. His xERA is only at a 4. 53, a 2.
88 difference, suggesting that there is a luck-driven ERA inflation rather than a genuine skill loss. His above-average BABIP against of . 310 indicates that there are some balls that are falling for hits at an unsustainable rate, meaning there is some sequence misfortune and defensive positioning harming his output.
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