Inside an Arizona boxing gym, a heavy bag snaps as 14-year-old Alejandro Merino crushes it with his left hook as he chases his dream of becoming a boxer one day. Along with sparring and shadow boxing, his routine also includes breathing treatments to manage his cystic fibrosis. Alejandro’s wish was to meet his boxing idol, two-time undisputed super-middleweight champion Canelo Alvarez.
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