Conversation so far:
When did Ken Strong start playing for the Stanten Island Stapletons?
1929
What position did Ken Strong play for the Stanten Island Stapletons in 1929?
halfback
How did Ken Strong do his first year as halfback with the stanten Island stapletons?
While statistics are not available for the 1929 NFL season, Ken Strong was regarded as one of the best backs in the NFL

Question: What made him so great?
Self-contained rewrite: What made Ken Strong so great he was regarded as one of the best backs in the NFL ?