However, that mindset may have come back to bite him in Boston over the course of this season so far. He returned quickly on three different occasions during the 2019-20 season after experiencing knee pain and struggled in all of those returns before the season was suspended on March 11th. With pain popping up again at the start of training camp in the Orlando bubble, Walker is adjusting to a new reality that the team is prioritizing: protecting him from experiencing more setbacks. “It’s definitely pretty frustrating,” Walker admitted of his condition. “Just because I’m not a guy who misses many games, especially throughout the course of my career.”