Johnny Depp is pushing back on Amber Heard’s requests for a mistrial in their defamation fight. Depp’s legal team said the requests to nullify the verdict “verge into the frivolous.” Heard alleges a juror mix up, “excessive” damages, and insufficient evidence. Johnny Depp’s legal team said that his ex-wife’s Amber Heard’s requests for a mistrial “verge into the frivolous.” Depp’s …