Ezra Millington "Salt Rock" Midkiff (November 13, 1882 – March 20, 1957) was a Major League Baseball third baseman who played in 1909 with the Cincinnati Reds and in 1912 and 1913 with the New York Highlanders (renamed the New York Yankees for the 1913 season).

Midkiff was 26 years old when he made his Major League debut on October 5, 1909, with the Cincinnati Reds.

Midkiff spent 1913 as the starting third baseman for the Yankees, but Fritz Maisel took the job midway through the season, and Midkiff was sold to the minor league Baltimore Orioles in August.

Midkiff, who was at the time suffering from a broken ankle, was named Manager of the club in place of John F.

[2] At the end of the season, Midkiff was let go, and signed with the Memphis Chickasaws of the Southern Association.