1919 Rock Island Independents season
The 1919 Rock Island Independents season was the last time that the team played independently , before joining the early National Football League the following year . 
<triplet> 1919 Rock Island Independents season <subj> 1919 <obj> point in time <subj> Rock Island Independents <obj> season of club or team <triplet> Rock Island Independents <subj> National Football League <obj> league