You can't motivate a group of people or a Team. You have to motivate people individually, and that motivation has to be in an environment in which that person has a goal - something they want to accomplish in their lives.
An agent won't help you get drafted higher, won't make you win more games, and won't make you faster or stronger. They all say they can, but the people who do the drafting don't talk to agents. They talk to coaches, they watch film, they talk to the people who've worked with players. They don't talk to agents.
After landing his invasion forces on the shores of some country, the sixteenth-century Spanish conquistador Hernan Cortes would immediately burn his own boats. He was sending his army a message: "We can't turn back. Either we succeed here or we die here." Excuses were not an option.
So many times people are afraid of competition, when it should bring out the best in us. We all have talents and abilities, so why be intimidated by other people's skills?
If you want to get a deal, negotiate with the teams yourself. Say, "I want this much, and no less, but I'll show up to camp on time." It doesn't seem that hard to me.