what is the oxy on the astros uniform

The "Oxy" patch on the Houston Astros uniform is a sponsorship deal with Occidental Petroleum, an energy company based in Houston. The company has been a sponsor of the Astros for more than a decade and is now an official jersey partner of the team for the next seven years. The Oxy logo is featured on the left sleeve of the Astros jersey and occupies a circular area that is outlined in blue and reads "Oxy" in big, red block letters. The financial terms of Oxys deal with the Astros have not been disclosed.