With two weeks to go until the end of the competitive season, Gianmarco Tamberi shared a significant physical change on social media, revealing an impressive weight gain. The champion from the Marche region explained that this gain is part of a gradual and planned preparation, aimed at shedding the pounds ahead of the crucial moments of the season. "For 15 years now, I've spent 10 months of the year making sacrifices to make my body as strong as possible, and a whole month enjoying life without worries or guilt," Tamberi wrote in his lengthy post. The athlete…