Carter Kieboom was diagnosed with a flexor mass strain in his right arm in Spring Training 2022, and when he started to throw again, and experienced discomfort, a torn UCL in his right elbow which required Tommy John surgery and cost the 25-year-old, 2016 1st Round pick all of 2022.
Talking to reporters at the end of the ‘22 campaign, Washington Nationals’ GM Mike Rizzo said the hope was the infielder would be ready for the start of Spring Training, where the one-time top infield prospect in the organization would compete for the hot corner job in D.