Oscar buzz builds for Dwayne Johnson’s role as Mark Kerr in ‘The Smashing Machine’

+8 National News Oscar buzz builds for Dwayne Johnson’s role as Mark Kerr in ‘The Smashing Machine’ By LINDSEY BAHR - AP Film Writer Updated 6 mins ago Dwayne Johnson takes a serious turn as UFC fighter Mark Kerr in “The Smashing Machine,” that has premiered Monday at the Venice Film Festival.…