Boxing champion Floyd Mayweather shared his public support of Brooklyn Nets guard Kyrie Irving over the player’s refusal to receive a COVID-19 vaccine. Mayweather posted on Instagram Monday to state his backing of the NBA all-star in both a lengthy post and corresponding video. “To my understanding, America gave us the choice to take the vaccine or not take the vaccine originally,” Mayweather said. “As time moves on, that choice is gradually being stripped from us. Limiting the jobs we can do, places we can go, and activities we can perform. Trying to beat us into submission of what they say is best for us.” Mayweather called Kyrie’s treatment over refusing the coronavirus vaccine a form of discrimination. “It’s sad people are hated, punished, teased, and discriminated for not taking the vaccine, for making their own choice, standing up for what they not only think is right, but know is …