Whittaker prepares for rematch with Adesanya in UFC 271

  • In this June 10, 2018, file photo, Robert Whittaker reacts after his middleweight mixed martial arts title bout against Yoel Romero at UFC 225 in Chicago. Whittaker defends his UFC middleweight title against Kelvin Gastelum in the main event of UFC 234 in Melbourne, Australia, on Sunday. (AP Photo/Jim Young, File)

HOUSTON — After Israel Adesanya knocked out Robert Whittaker for the middleweight title at UFC 243 in 2019, Whittaker was not in a good place and took time off to work on himself.