Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Average wins above replacement (WAR) by position before and after surgery compared with controls before and after the index date. ▴Statistically significant difference between pre- and postsurgery average WAR. C, catcher; IF, infielder; OF, outfielder.
