Read as much as you want on BostonGlobe.com, anywhere and anytime, for just 99¢.

The unstoppable slugger playing baseball blind

Whether on the field or at Harvard, Joe McCormick wasn’t about to let his sudden loss of vision keep him from competing.

You have reached the limit of 5 free articles in a month

Stay informed with unlimited access to Boston’s trusted news source.

  • High-quality journalism from the region’s largest newsroom
  • Convenient access across all of your devices
  • Today’s Headlines daily newsletter
  • Subscriber-only access to exclusive offers, events, contests, eBooks, and more
  • Less than 25¢ a week