Pennzoil is an American oil company founded in Los Angeles, California in 1913. In 1955, it was acquired by Oil City, Pennsylvania company South Penn Oil, a former branch of Standard Oil. In 1963, South Penn Oil merged with Zapata Petroleum; the merged company took the Pennzoil name. During the 1970s, the company moved its offices to Houston, Texas. In 1977 a spin-off company was formed called Pogo, which stood for Pennzoil Offshore Gas Operators.
The Liberty Bowl is an annual U.S. American college football bowl game played in December of each year from 1959 to 2007 and in January in 2009 and 2010. The Liberty Bowl was sponsored by AXA Financial and was known as the AXA Liberty Bowl from 1997 to 2003. Since 2004, the game has been sponsored by Memphis-based auto parts retailer AutoZone, and is now called the AutoZone Liberty Bowl.