Weeds on Fire (2016)

"Aaron (played by Lam Yao-sing) and Xiwei (played by Hu Tong) are a pair of brothers who grew up in Hong Kong housing estates. They idle around and cause trouble all day long. Principal Lu (played by Liu Qizhi) fought against all opinions to form Hong Kong's first Chinese youth baseball team, the Sha Yan team, and recruited ten "problem students" including the two to join the team..."