"We ask you to please continue to keep us in your thoughts and prayers, as our family has a long road ahead," James and Francine Edmondson said in a statement.
Since its first burial in 1874, more than 50,000 souls were laid to rest at Greenwood Cemetery, including some of St. Louis' most notable historic figures.
In the early days of the spring games, Walker has gone 5-of-14, the most at-bats on the team, for a .357 average, while Winn is 5-of-10 with two stolen bases.