This is the most powerful query refinement technique. Add a discriminating word or a phrase. Adding baseball makes the query less ambiguous. Capitalize when appropriate. For example, without capitalization, wired could refer to electrical cables and not Wired Magazine.
Capitalization reduces the ambiguity.
It is always a good idea to capitalize proper names. The after version above does both. Use a field specifier. See Special Searches for more information on field specifiers.