When throwing a right hook, Burnett suffered a debilitating back injury which caused the fight to be called off shortly after - giving Donaire the win in very unfortunate circumstances.
Whether Nonito Donaire still wields lethal power will be known when he returns to the bantamweight division against Irish champion Ryan Burnett on Saturday, November 3 (Sunday, November 4, Manila time), in the World Boxing Super Series at SSE Hydro in Glasgow, Scotland.
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Where they can take heart, however, is the three point lead they have over opponents Manchester United ahead of Saturday's match. I look to the team we didn't press or do any of the week we did in the week.
In the twilight of an illustrious career, the 35-year-old Donaire is seeking to relive his glory days by dropping 8 pounds to challenge Burnett, who is only 26, for the World Boxing Association super bantamweight crown.
Referee Howard Foster stopped the fight before the start of the fifth round and declared Donaire Jr.as the victor by TKO. "He was an unbelievable fighter", said Donaire Jr. during a post fight interview, which WBSS posted on social media. "I came into this fight as the bigger guy and my coaches snapped me out of it and told me to box".
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Parmi les signataires de cet appel figurent le patron de la chaîne de librairies Waterstones et l'ancien patron du groupe de supermarchés Sainsbury, Justin King.
With the win, Donaire improves to 39-5 with 25 wins via KO.
The Filipino-born four-weight world champ did finish both rounds strongly and may have edged the third but not even he could celebrate the victory afterwards, given the nature of Burnett's injury, and afterwards he went to sympathise with the Belfast fighter and his corner.
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Hafizh Syahrin, who became the first Malaysian rider to compete this season in MotoGP , was 10th on his Yamaha despite starting at the back of the grid.
Northern Ireland's Burnett will be defending his WBA bantamweight crown against the Filipino great with the victor going on to face WBO champion Zolani Tete in the semi-finals in early 2019.