Tokyo and world champion Neeraj Chopra threw down the gauntlet to his rivals as well as the javelin as he topped the Olympic heats with a season’s best of 89.34 metres on Tuesday. Ahead of Thursday’s final, the Indian impressed along with big rival Arshad Nadeem of Pakistan (86.59m), Grenada’s 2022 world champion Anderson Peters (88.63m) and German Julian Weber (87.76m). Trinidad’s Keshorn Walcott, the 2012 champion, just squeezed through. “It was a good throw. Maybe the biggest ever in qualifying for me. All the throwers look in good shape. The final will be a really good competition for sure…