In Julius Caesar, whose speech was more effective, Brutus's or Antony's? Why?

Mark Antony
is the better rhetorician, and his speech is more effective than Brutus's.

One crucial mistake Brutus made (beyond letting Antony speak at all) was allowing Antony to
speak after him. Beyond that, however, while Brutus gave a competent and even moving speech, his
goal was less ambitious than Antony's. Brutus wanted to justify the conspirators in their
assassination of Caesar, a beloved leader. He does that very effectively by appealing to the
crowd, telling them that although he loved Caesar, he loved Rome more. He convinces the crowd
that Caesar was possibly on the road to tyranny...