Kansas City Royals right-hander Josh Staumont will undergo thoracic outlet syndrome surgery and likely will miss the rest of the season, MLB.com reported Saturday.
Staumont, 29, went on the injured list on June 6 due to a neck strain and was sent to the 60-day injured list on Thursday.
The Royals selected Staumont in the second round of the 2015 draft.
Before the injury this season, Staumont had no decisions with a 5.40 ERA in 21 games (one start). He struck out 24 batters in 20 innings.
A member of the Royals since 2019, he has pitched in 169 games -- all but one in relief -- and has a 9-7 record with a 4.01 ERA and eight saves.
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