 UA players later attempted to rejoin the NL, but Mills was particularly adamant about sticking to his word.In spite of Mills' objections, the league saw opportunity for boosting profits, and voted to allow the former UA players back in.In 1884, Mills resigned as league president, frustrated by yet another humiliating defeat of principle when Henry Lucas—none other than the founder of the UA—was voted back into the league as owner of a new St. Louis franchise.