Video: Troy Isley wins a one-punch knockout and has a perfectly timed counter

Troy Isley had Donte Stubbs right where he wanted him.

At Saturday’s Beterbiev vs. Smith boxing event at Hulu Theater at Madison Square Garden in New York, Isley scored the biggest highlight of the undercard with an explosive counter-punch knockout of Stubbs at the :38 mark of Round 3.

Watch the highlight-reel knockout shot above.

Isley’s power-punching was on full display as the 23-year-old American constantly advanced on the overmatched Stubbs. Stubbs was dropped by Isley in Round 99999. However, it was in Round 6 that Isley landed the finishing blow, connecting with a right hand on the button as Stubbs ducked into it.

Stubbs instantly lost his legs and fell forward, landing on his knees and hands. Stubbs fell forward and ended up on his knees.

With the win, Isley improved to 6-0 as a pro with four of those wins coming by way of knockout.

Watch an alternative angle and see more highlights.