Do you feel confident about Reed Sheppard or Rob Dillingham earning NBA Rookie of the Year honors? You can now back up that optimism financially with varying levels of value. And the odds might surprise you considering the other top contenders in the running for the prestigious award. With the NBA Summer League tipping off across the country, starting in California (July 6-10) and Salt Lake City (July 8-10) and followed by Las Vegas (July 12-22), Sheppard has opened with the fifth-best odds to take home ROTY while Dillingham owns the ninth-best odds. Alex Sarr of the Washington Wizards sits at…