Mrzyglód, 27, is a former European U20 and U23 champion and boasts a personal best of 85.92m, recorded en route to winning the Motonet GP Kuortane athletics meet held in Finland in June this year.
The Pole is also a silver medal winner from the 2021 World University Games and competed at both the Paris 2024 and Tokyo 2020 Olympics.
Grenada’s Peters is ranked only behind Neeraj Chopra in the world rankings for men’s javelin throw, and the duo’s showdown was set to be one of the highlights of the upcoming Bengaluru meet.
The NC Classic, rescheduled from May 24 to July 5, is classified as a World Athletics Continental Tour Gold meet – the highest category of international athletics competition ever hosted in India. It will take place at Bengaluru’s Sree Kanteerava Stadium.
Despite Peters’ absence, the competition will still feature a stacked field headlined by Tokyo 2020 Olympic gold medallist and reigning world champion Neeraj Chopra.
Other top names include Rio 2016 gold medallist Thomas Röhler (Germany), 2015 world champion and Rio 2016 silver medal winner Julius Yego (Kenya).
The line-up also includes Pan American Games champion Curtis Thompson of the USA, Brazil’s Luiz Mauricio da Silva and Sri Lanka’s Rumesh Pathirage.
India’s challenge will include Neeraj Chopra alongside Rohit Yadav, Sachin Yadav, Sahil Silwal and Yash Vir Singh.
The meet is being jointly organised by Neeraj Chopra, JSW Sports, the Athletics Federation of India and World Athletics.