The key to winning this fight for Shafikov is pretty simple. He's got to cut off the ring on Vazquez and eventually trap him on the ropes or in the corner.
But in boxing, simple and easy are rarely the same thing. To cut off the ring on a defensive specialist like Vazquez, Shafikov is going to need to be very precise about the placement of his lead right foot as he comes forward.
He's absolutely got to get his lead right to the outside of Vazquez's lead left. If he doesn't, he's going to eat right-hand counters and uppercuts all night long. Vazquez will continually shift and counterattack before Shafikov has the opportunity to get set.
But if Shafikov can win that first, basic battle over foot placement, he'll be in good shape. As he slips under Vazquez's jab and steps to the right, he should look to bang Vazquez's body with a lead hook. Slowing the elusive Vazquez down with a solid body attack will be another key to victory for Shafikov.
If Shafikov can consistently get the better position with his lead foot, ideally he will be able to maneuver Vazquez toward his overhand left. Shafikov needs to be ready to let that punch go all fight long.
Shafikov needs to throw a lot of punches whenever he can get into range to unload. At the end of the fight, simply having been the busier fighter could very well mean victory for him.