"Power Baseball Angel Team" was founded by Sun Lingfeng, former captain of the China men's baseball team, in 2015. It focuses on helping underprivileged children in China, with 67 kids residing at the training camp. "Tough Out," a documentary about the team, was released nationwide on December 11, and has scored 8.7/10 on Douban.com, China's equivalent to rating site to Rotten Tomatoes.