More: Gus had his rear-left leg amputated in October 2021 due to cancer. He's a sweet, energetic dog and loves to play with other dogs. After five months of being sick, he finally had his leg amputated and could have fun again without pain. He's been enjoying fall and early winter, running around leaves and playing in the wind with his three legs. Gus loves to watch the Colorado Rockies and Grey's Anatomy when he's not busy eating carrots or chicken tacos.