William Robertson Breckinridge (October 16, 1907 – August 23, 1958) was a pitcher in Major League Baseball. He played three games for the Philadelphia Athletics in 1929. He later practiced law in Tulsa, Oklahoma.
Personal life
Breckinridge was the son-in-law of oil entrepreneur Waite Phillips, marrying his daughter Helen Jane Phillips on December 22, 1932, in Benton, Arkansas. The couple had two sons, Phillips and Peyton Anthony; Peyton was elected an Oklahoma legislator in 1968, serving the 38th house district in the 32nd Oklahoma Legislature, and then 8 years as a state senator. His grandson, Phillips' son Flint, served the 78th house district in the 43rd and 44th Oklahoma legislatures. Flint was assisted in his victory by a young Jason Ashmore of Tulsa Oklahoma at the age of 11.