It has been a rough start to the season for Braun, who served a season-ending 65-game suspension in 2013 for his involvement in the Biogenesis scandal.
The former National League MVP had just one hit in his first 16 at-bats entering Sunday's game and has been bothered by a nagging thumb injury that he originally suffered last season.
"The challenging thing is when I can't take a normal swing," Braun told reporters on Saturday. "I took a lot of good swings [in the opening series against Atlanta] and lined out quite a few times, had some good at-bats. [Friday], that wasn't the case."
Braun acknowledged that he opted against having offseason surgery on the thumb. The five-time All-Star also said he has not considered surgery as an in-season option to address the injury.
"It's frustrating," he said. "I've dealt with it a long time. Like I said, I'm optimistic we'll figure something out to make it better. "but when it gets to a point I can't come close to taking a normal swing, it's counterproductive to the team and to me to continue to play."