Marquardt was expected to debut at welterweight against Anthony Johnson on June 26, 2011 at UFC on Versus 4. However, Johnson was forced out of the bout with a shoulder injury and replaced by Rick Story. Marquardt pulled out of the fight with Story the day of the weigh-ins due to not receiving medical clearance. The UFC at the UFC on Versus 4 weigh-in announced that Marquardt did not pass the required physical. According to a video posted by Dana White on his Twitter, Marquardt was released by the UFC due to failing "medical requirements".