The Mets have designated right-hander Walker Lockett for assignment, Tim Healey of Newsday was among those to report. His roster spot will go to lefty David Peterson, who’s coming off the 10-day injured list.
In what could go down as his final Mets appearance, Lockett threw two scoreless innings to pick up a win over the Yankees on Friday. For the most part, though, success has eluded Lockett as a Met. Since they acquired him from the Indians in a deal for catcher Kevin Plawecki before 2019, the 26-year-old Lockett has recorded an 8.16 ERA/5.96 FIP with 6.59 K/9 and 2.51 BB/9 in 30 1/3 innings. Lockett did pitch well last year at Triple-A (3.66 ERA with 5.9 K/9 and 1.7 BB/9 over 59 frames), but as someone who’s out of minor league options, he may have a harder time latching on elsewhere in the next week.
Meanwhile, the return of Peterson will be a welcome one for the Mets, as the rookie began his career with a 2.91 ERA/4.03 FIP and 7.06 K/9 against 3.32 BB/9 across 21 2/3 innings before going to the IL on Aug. 18 with shoulder fatigue. Peterson has been the Mets’ top complement to ace Jacob deGrom so far this season.