There have been a lot of rumors about why Lesnar left before Raw was over. According to a “WWE insider” on Reddit, Lesnar walked out on Raw due to Roman Reigns failing a WWE drug test.
The plan for Lesnar was for him to confront Reigns after Raw’s main event, but during the night, Lesnar learned that Reigns had failed a drug test, so he left.
However, those rumors are confirmed to be completely false.
WWE released the following statement regarding the above made claims:
“That story is absolutely, 100% untrue.”