Book excerpt: One of the biggest factors in football is the large number of rookies who come into the NFL each year from literally hundreds of colleges and universities, where they play a relatively few games over a limited number of years before being drafted for the pros. Yet many of these young players end up in starting and even starring roles in their first year. Where are avid fans to look for real information on the rookies who may play for their team—or those of their hated rivals—in the upcoming season? The answer to that question is in your hands. Here you will find the very best updated info on over 250 players who may be drafted or signed as free agent rookies in 2019.