So, both Walter and Don Pratt played baseball--a fact that I did not know until just today. The plot thickens in the mystery of Pedro Pratt and the Pratt family. (See "Pedro Pratt" in the labels list if you're interested in the mystery of Pedro Pratt, "The Colored Wonder" of Portland).
Walter Pratt (sitting on the right in front of the player standing with his arms folded)