'Dancing With the Stars' Athletes Gear Up for Team Dance Week -- Meet the 2 Groups! (Exclusive)

Dancing With the Stars

ET has your exclusive first look at behind-the-scenes pics from next Monday's show.

It's only been two days since the premiere of Dancing With the Stars: Athletes, but we're already looking forward to next week's show!

Next Monday, the remaining eight contestants and their pro partners will be splitting into two groups, for a showdown that's sure to be entertaining and highly competitive.

Ahead of DWTS' highly anticipated "Team Dance Week," ET is exclusively revealing the two groups and their team names, as well as behind-the-scenes pics from their first rehearsals together.

Team 1970s Football

Squad members:

Mirai Nagasu & Alan Bersten
Adam Rippon & Jenna Johnson
Arike Ogunbowale & Gleb Savchenko
Jennie Finch & Keo Motstepe

Dancing to:

"Instant Replay" by Dan Hartman

Dancing With the Stars

Team pics:

Dancing With the Stars
Dancing With the Stars
Dancing With the Stars
Dancing With the Stars
Dancing With the Stars
Dancing With the Stars

Team 1950s Tennis

Squad members:

Chris Mazdzer & Witney Carson
Kareem Abdul-Jabbar & Lindsay Arnold
Tonya Harding & Sasha Farber
Josh Norman & Sharna Burgess

Dancing to:

"...Baby One More Time" by The Baseballs

Dancing With the Stars

Team pics:

Dancing With the Stars
Dancing With the Stars
Dancing With the Stars
Dancing With the Stars
Dancing With the Stars
Dancing With the Stars

Which team will YOU be rooting for? Let us know on Twitter (@etnow and @desireemurphy_). In the meantime, watch the video below to hear how Chris and Witney plan to win the coveted mirrorball trophy!

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