Los Angeles (CNN) President Bill Clinton told vocal Bernie Sanders supporters at a campaign rally Sunday in Los Angeles that they would be "toast" on Tuesday.

"I don't want to pick a fight but if I were them I'd be screaming, too, 'cause if you figured this out, they're toast for Election Day," Clinton said to cheers from the crowd. "So have a good time."

Clinton has kept a busy schedule stumping for his wife all around Los Angeles since Friday -- as polls show a tight Democratic primary race in the state.

Hillary Clinton is closing in on a historic nomination as the first female presidential nominee with one more round of states -- California, New Jersey, New Mexico, South Dakota and Montana -- set to vote Tuesday. Her nomination would become official during the Democratic National Convention in Philadelphia.

Generally, Clinton has kept a low profile on the trail, commenting on how he didn't want to "make news," and keep the focus on his wife. But Sunday his comments were a noticeable change from the careful language Hillary Clinton has used in reference to the race.

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