Arrow chart of team Doyle Number changes from June 13 to July 15 where the Chicago Cubs has a huge drop, from a buyer (1.23 Doyle Number) to a seller (0.11 Doyle Number).
A team's Doyle Number represents the future wins it should be willing to trade away to acquire 1 win of talent this season. A Doyle above 1.00 indicates a buyer; below 1.00 indicates a seller.