Saturday is the last day of the South Carolina primary.

Former President Donald Trump was in Rock Hill Friday to make one last push to voters to choose him on their ballots, instead of their former Gov. Nikki Haley.

Haley hopes for a home-state advantage, but Trump is leading in state polls. Nationwide, Trump has 63 delegates to Haley’s 17. Some of his supporters say she should drop out, but Haley vows to keep going.

The latest numbers from a Winthrop University poll released about 10 days ago showed Trump with a 36% lead over Haley. Among independents who are likely to vote in the upcoming primary, 42.3% support the former governor.

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Haley has been pushing for support from independent undecided voters. On Friday, Winthrop political scientist Scott Huffmon said even with the support from independents and Democrats, it may be difficult for Haley to pull off a win.

“Nikki Haley’s popularity, which has always been sky-high among South Carolina Republicans — Her favorability ratings were in the 70s, have dropped into the 50s, and it came along right as she started making more personal attacks against Donald Trump,” Huffmon said.

Earlier this week, Haley said no matter what happens Saturday, she will still be in the race on Sunday.

To win the Republican nomination, Trump or Haley must win more than 1,200 delegates.

The Trump rally was at the Winthrop Coliseum.

(WATCH BELOW: Former President Donald Trump to visit Rock Hill day before primary election)