FILE - Madison Chock, right, and Evan Bates perform during the rhythm dance program at the Skate America figure skating event Oct. 23, 2021, in Las Vegas. As U.S. skaters, led by three-time world champion Nathan Chen, two-time U.S. champion Alysa Liu, and outstanding ice dance couples Madison Hubbell and Zach Donohue, and Chock and Bates, prepare for nationals during the first week in Jan. 2022, in Nashville, they need to be aware of the pressure ahead. (AP Photo/David Becker, File)

FILE - Nathan Chen, of the United States, performs in the men's free skate program at the Skate America figure skating event Oct. 23, 2021, in Las Vegas. As U.S. skaters, led by three-time world champion Chen, two-time U.S. champion Alysa Liu, and outstanding ice dance couples Madison Hubbell and Zach Donohue, and Madison Chock and Evan Bates, prepare for nationals during the first week in Jan. 2022, in Nashville, they need to be aware of the pressure ahead.(AP Photo/David Becker, File)

FILE - Alysa Liu, of the United States, performs during the women's free skating at the ISU Grand Prix of Figure Skating NHK Trophy competition in Tokyo, Japan, Nov. 13, 2021. As U.S. skaters, led by three-time world champion Nathan Chen, two-time U.S. champion Liu, and outstanding ice dance couples Madison Hubbell and Zach Donohue, and Madison Chock and Evan Bates, prepare for nationals during the first week in Jan. 2022, in Nashville, they need to be aware of the pressure ahead. (AP Photo/Shuji Kajiyama, File)

FILE - Madison Hubbell, left, and Zachary Donohue perform during the free dance event at the U.S. Figure Skating Championships in San Jose, Calif., Jan. 7, 2018. As U.S. skaters, led by three-time world champion Nathan Chen, two-time U.S. champion Alysa Liu, and outstanding ice dance couples Hubbell and Donohue, and Madison Chock and Evan Bates, prepare for nationals during the first week in Jan. 2022, in Nashville, they need to be aware of the pressure ahead. (AP Photo/Ben Margot, File)