Wiktionary
the bigs
n. (context pluralonly baseball English) The major leagues.
Wikipedia
The Bigs
The Bigs (stylized as The BIGS) is an arcade-style baseball video game for the Xbox 360, PlayStation 3, PlayStation 2, Wii and PlayStation Portable. It was released in June 2007 in North America, and in October in Europe. A sequel, The Bigs 2, was released on July 7, 2009.