'The Voice': Nick Jonas calls himself an 'idiot' for Battle pairing after 'dead even tie'

It may be Nick Jonas' second season on "The Voice," but he made a rookie move.

Jonas paired Bradley Sinclair, 22, and Rachel Mac, 16, together during the third and final night of Battles Monday to showcase his team's youth, but he instantly regretted it after the young duo gave "the best performance we’ve had in the Battle Round."