Mason Thompson Stats & Bio | Rangers Pitcher

About Mason Thompson

Mason Thompson is a relief pitcher for the Washington Nationals, wearing jersey number 71. Standing an imposing 6'6" and weighing 244 pounds, the right-hander uses his towering frame to generate powerful stuff from the mound. Born on February 20, 1998, in Round Rock, Texas, Thompson came up through the professional ranks without the traditional college baseball route, demonstrating the raw talent and determination that earned him a spot at the major league level. His size gives him a natural advantage in creating difficult angles for opposing hitters, making him a notable presence in the Nationals bullpen. The Round Rock native continues to develop his craft in Washington, representing the kind of homegrown pitching talent the organization looks to build around for future success.

Updated: Mar 14, 2026