Sponsorship these days is more than pictures of fish and a patch on your shirt.

You have to be willing to offer your services to the business you request sponsorship from. In other words what can you do for them? Can you help them sell tackle, boats, etc;? Can you help out by working local shows by standing int he booth and answering questions? You need to be able to answer these questions correctly. You will also need to be able to offer any time that is required. Can you work 5 days at a show if needed?

Tournament finishes are not always something they look for either. After all this is a business and they want help selling whatever it is that they sell.

Prepare a resume and a marketing plan. Explain how you can help them and you might be considered before the next guy.