All SPB-3 Managers,  Here is the final report for players lost during 1939 play who did not reach the 50% usage level.  
They are listed by team, and if the come back in the future, they have the year marked, and if they are totally done, they are marked **.

First off, the following teams did not lose any players:  DeVilbiss Tigers (Murphy), East Kenosha Larks (Lauer), Goshen Aces (Brunner), 
Hoosier Thunderbolts (Plunkitt),  & Maumee River Carp (Williams).  Hats off!

Brooklyn Royal Giants (Rahn) - Buddy Hicks,**  Karl Olson, (1957).

Chicago Stampers (Lehman) - Dusty Rhodes, (1957), Bill Harrington,** Dick Marlowe,** Duane Pillette,** Art "Red" Swanson, (1957).

Indianapolis Clowns (Ryan) - Jack Phillips, (1957), Ernie Oravetz,** Bobby Del Greco, (1957), Frankie Baumholtz, (1957), Moe Burtschy,** Jackie Collum (1957).

Kansas City Blues (Applegate) - Spook Jacobs,** Bob Wiesler (1957).

Newfoundland Grays (McElaney) - Bill Sarni,** Jerry Snyder (1957).

Rock Island Arsenal (Baxter) - Curt Roberts,** Chuck Templeton,**

Schaumburg Hawks (Ungashick) - Jack Crimian, (1957), 

South River Muckdogs (DeZarlo) - Johnny Schmitz,**

St. Clair Walleye (Meyering) - Bob Hale, (1957), Evelio Hernandez, (1957), Bob Chakales, (1957), Bob Feller,**.

That's it guys.  Good Job!  Not many with any value at all lost.