Carolina Panthers quarterback Will Grier has retired from the NFL at age 31, the team and multiple reports confirm. The Panthers announced his retirement on Wednesday. Separately, Grier posts on Instagram indicate the decision is effective immediately; he writes “Retired today” along with a salute emoji. The reports consistently describe the announcement as coming directly from Grier and being corroborated by the Panthers. No sources provided additional details in the available excerpts regarding the reasons for his retirement or whether he plans any return to football. As of the reporting, the retirement ends Grier’s NFL career, and it creates an offseason roster and depth-chart consideration for Carolina’s quarterback position. The coverage agrees on the core facts: the player is Will Grier, the team is the Carolina Panthers, the announcement date is Wednesday, and his age at retirement is 31.