Here's a February 13, 1910 article describing Stengel's upcoming tryout with the Kansas City Blues. Note that it mentions Stengel had played ball with the Kansas City Red Sox the previous summer:
http://www.kansascity.com/2008/10/22...y-stengel.html
"Dutch" Stengel, the Central High School athlete, has been signed and will get a tryout with the Blues this spring. Stengel played with the Kansas City Red Sox last summer. He is a good hitter and a fast outfielder."
