Erin Andrews Challenges ‘Dancing with the Stars’ Pro Maksim Chmerkovskiy

"Dancing with the Stars" pro Maksim Chmerkovskiy says he’s even feeling sore this season after the strenuous practices with ESPN reporter Erin Andrews. ET goes inside the couple’s rehearsal for an exclusive look at their routine.

"I gotta say, it was a long time since I worked this much on this show," the bad boy "Dancing" pro tells ET. "We just start at 11 a.m. and finish at 5 p.m. and don’t even notice. … Then I come home and I’m like ‘Why am I so sore?’"

Erin has dancing experience but says it hasn’t helped her much in the ballroom. "Max gave the best analogy. It’s like you’re a NFL player and you just got thrown into a hockey rink. … It doesn’t matter what I did before."

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