Olympic gold medalist Monica Puig on Monday announced her retirement from tennis citing injury issues. “Today, I announce my retirement from tennis. After a tough 3 year fight with injuries and 4 surgeries, my body had enough,” the 28-year-old said in an Instagram post. “This decision isn’t an easy one because I would’ve loved to retire on my own terms, but sometimes life has other plans,” Puig said in the post, while also announcing her post-playing plans include a job in broadcasting with ESPN. Puig became the first-ever gold medallist from Puerto Rico at Rio 2016 when, at age 22, she beat G…