Brian Wilson, American baseball player
Brian Patrick Wilson (born March 16, 1982), nicknamed "The Beard" and "B-Weezy", is an American former professional baseball relief pitcher. He played in Major League Baseball (MLB) for the San Francisco Giants and Los Angeles Dodgers. He stands 6 feet 1 inch (1.85 m) tall and weighs 205 pounds (93 kg). Wilson is known for his large black beard, which he began growing during the 2010 pennant race. Wilson's entrance at home games accompanied by the song "Jump Around" was popular with fans. Wilson also portrayed Peterson, a pitcher in the 2019 film Bottom of the 9th.Wilson pitched collegiately at Louisiana State University. His college career ended during his junior season, when he injured his elbow and underwent Tommy John surgery. The San Francisco Giants selected him in the 2003 draft. He reached the major leagues in 2006 and had become the Giants' regular closer by the end of 2007. In 2010, he led the Majors with 48 saves which tied the franchise single season record while posting a 1.81 ERA, and he saved clinching games at every level of the playoffs, including the 2010 World Series over the Texas Rangers.

In the first week of the 2012 season, Wilson injured his elbow and subsequently underwent his second Tommy John surgery. He completed his recovery midway through the 2013 season and signed with the Los Angeles Dodgers, pitching effectively with them as a late-inning reliever through the playoffs. However, he was not able to continue his success in 2014, and the Dodgers released him after that season.