Sen. Marco Rubio, R-Fla., scored more than two dozen delegates on Sunday afternoon, but will likely encounter trouble ahead of the March 15 Florida primary elections.

How Puerto Rico Voted

With 100 percent of the precincts reporting, Rubio easily won the Puerto Rico primary with 74.8 percent, or 27,485 votes. Donald Trump placed second with 5,052 votes, or 13.6 percent. Ted Cruz narrowly missed double digits as he received 9 percent, or 3,340 votes, while John Kasich attracted 1.4 percent, or 516 votes. Due to Rubio's winning percentage, the Florida senator swept and won the commonwealth's 23 delegates.

"In an open primary, where anyone can vote, not just Republicans -- Democrats and Independents -- I got over 70 percent of the vote. Not because I became less conservative, but because I took our conservative principles to people who are living the way I grew up. I will take our conservative principles to people living paycheck to paycheck, because I lived paycheck to paycheck. Because I grew up paycheck to paycheck," said Rubio on Sunday during an Idaho rally.

In the mainland U.S., voter turnout for Republican primaries and caucuses have set new records, but the same cannot be said in Puerto Rico. In the 2012 Puerto Rico Republican primary, where Mitt Romney won with 82.61 percent, 128,834 votes were cast. In the latest election on Sunday, 38,699 Puerto Ricans participated.

Despite the lower turnout, the engagement growth within the GOP remains high.

"Our party has the momentum as we continue to see turnout exceed expectations and have set historic highs in states across the country," said Republican National Committee Hispanic Media Director Ruth Guerra.

"Our strength at the polls is a clear sign that the American people not only want to see our country head in a new direction but are also rejecting the prospect of another Democrat in the White House. What's worse for Democrats, Hillary Clinton has yet to put away a self-avowed socialist or even win key groups of President Obama's coalition. These are big red flags for Democrats' hopes of keeping the White House in November," Guerra added.

With the Florida win, Rubio's delegate count hits 151 delegates, still ranked third behind Trump's 384 and Cruz's 300, based on RealClearPolitics' projections. A Republican presidential candidate must win 1,237 delegates to clinch the GOP's nomination.

Rivals on the Prowl

At the moment, Rubio's main focus is winning Florida's primary, set for March 15. Florida's primary is a "Winner Take All" state, meaning the candidate with the most votes will automatically win the Sunshine State's 99 available delegates.

Rubio, however is not faring well in surveys conducted in the state. Public Policy Polling (PPP) found Trump is still "dominant" against the GOP field and by double digits. The poll, surveying 464 likely Republican primary voters on Feb. 24 and Feb. 25, saw Trump with 45 percent support, while Rubio placed second with 25 percent. Cruz received 10 percent, while Kasich garnered 8 percent. At the time the poll was conducted, Ben Carson was still campaigning and was included in the PPP survey. Carson received 5 percent support, which still won't be enough to boost Rubio's numbers.

Cruz and Trump have making the case to win Florida.

On Monday, Trump has utilized Twitter to attack Rubio's record, attracting a few thousand social media interactions.

Meanwhile, the "Keep the Promise 1" Super PAC, which supports Cruz for president, released a series of advertisements targeting Rubio's record, from immigration, his support for the 2013 Senate immigration bill, alleged ties with corporations and absence in the Senate.

Rubio is scheduled to campaign further in Florida on Tuesday in Sarasota and St. Johns County.

Must Read: New Mexico Gov. Susana Martinez Endorses Marco Rubio


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