Resurgent Del Potro returns to the top with Indian Wells triumph

Mar 18, 2018; Indian Wells, CA, USA; Juan Martin Del Potro celebrates after defeating Roger Federer (not pictured) in the men's finals in the BNP Paribas Open at the Indian Wells Tennis Garden. Mandatory Credit: Jayne Kamin-Oncea-USA TODAY Sports

(Reuters) - An emotional Juan Martin del Potro could barely believe he had finally won a Masters 1000 series title at the 51st attempt at Indian Wells on Sunday but is determined to keep the trophies coming in his late career renaissance.

The tall Argentine with a rocket of a forehand has endured years of injury-induced heartbreak but on Sunday was back at the very top of the game, beating no less than Roger Federer in an enthralling Indian Wells final.