I was a king in March

[Brian McKenna]

i was a sandlot teammate, on my native washington bashfuls, of george winkleman who had a cup of coffee in the majors - well, they only really let me play ball so often - i was always hanging around and doing my thing - they would stick me in deep right field occassionally to keep my interest going

[mordeci]

based on the title and the location (washington), I'll guess John Phillip Souza.

[Brian McKenna]

you got it..