Sad. Dude absolutely shredded his nerves / neck / shoulder over the last few years trying to rehab. The wikipedia summary is depressing:
2020 season
Strasburg began the 2020 shortened season on the injured list (IL); he made his 2020 debut on August 9, 2020. On August 14, Strasburg left the second game he started, after facing only three batters. The following day, Strasburg went back to the IL with a nerve issue in his pitching hand.[106] Strasburg would miss the remainder of the year with the two games being his only appearances on the year.
2021 season
Strasburg made two starts for the Nationals in 2021 before landing on the injured list on April 18 with right shoulder inflammation. Strasburg was activated and made three more starts before returning to the IL on June 2 with a neck strain. On July 27, it was announced that Strasburg would undergo surgery to alleviate neurogenic thoracic outlet syndrome, ending his 2021 season.[107] In his 5 starts, Strasburg posted a 1–2 record and 4.57 ERA with 21 strikeouts in 21+2⁄3 innings of work.[108]
2022 season
Strasburg was activated from the IL on June 9, 2022, and made one start (in which he gave up seven earned runs in 4+1⁄3 innings of work) before returning to the IL five days later with a stress reaction in the ribs. [109] On July 14, Strasburg was transferred to the 60-day IL, where he remained for the rest of the season.[110]
2023 season
On February 15, 2023, Strasburg did not report to spring training as scheduled, due to a nerve-related setback in his recovery from thoracic outlet syndrome.[111] On June 3, Strasburg was shut down from all physical activity due to "severe" nerve damage.[112] On August 24, media reports stated that Strasburg planned to retire. [113]