The Athletics placed Muncy on the 10-day injured list Tuesday due to left knee chondromalacia.
Muncy's 2026 season has come to a close with him landing on the 10-day injured list. He finished the year with a .230/.296/.387 slash line and nine home runs across 284 plate appearances in 82 games. In corresponding moves Tuesday, the Athletics reinstated Joshua Kuroda-Grauer (groin) from the 60-day injured list and transferred J.T. Ginn (elbow) to the 60-day injured list.