The former Olympic silver medalist will come up against an opponent in Canelo who has been beaten just once during his 48 - fight career .
The former Olympic silver medalist recent showed off a bulkier physique in a training video .
The former Olympic silver medalist , who recent showed off a bulkier physique in a training video , will come up against an opponent in Canelo who has been beaten just once during his 48 - fight career .