Thursday 3 March 2016 10:34, UK
Johnny Nelson has been following Amir Khan and Saul Alvarez on their whirlwind media tour.
It kicked off in London on Monday, moved swiftly to New York for Tuesday and ended in Los Angeles on Wednesday.
Khan admits the only sleep he got was during the flights - and Nelson wasn't far behind!
To see where they went and what happened click on the video above...