Republican presidential hopefuls Ted Cruz and Marco Rubio on Thursday voiced strong disagreement with the Supreme Court's Affordable Care Act ruling, in which the nation's highest tribunal saved President Barack Obama's signature healthcare law, according to CNN.

In a 6-3 decision, the justices held that the legislation authorized federal tax credits for eligible Americans living not only in states with their own exchanges, but also in the 34 states with federal marketplaces, the news channel detailed. Obama praised the King vs. Burwell decision as a "victory for hardworking Americans all across this country," U.S. News and World Report said; but Cruz and Rubio begged to differ as they vie to succeed Obama in January 2017.

"I disagree with the Court's ruling and believe they have once again erred in trying to correct the mistakes made by President Obama and Congress in forcing Obamacare on the American people," the Florida senator said in a statement.

"(The Supreme Court) justices are not behaving as umpires calling balls and strikes. They have joined a team, and it is a team that is hurting Americans across this country," Rubio's colleague from Texas concurred. "Obamacare is the biggest job killer in America," Cruz added.

Both presidential candidates insisted that Thursday's ruling did not mark the end of the debate on the Affordable Care Act.

"Despite the Court's decision, ObamaCare is still a bad law that is having a negative impact on our country and on millions of Americans," Rubio declared. "I remain committed to repealing this bad law and replacing it with my consumer-centered plan that puts patients and families back in control of their health care decisions."

Cruz, meanwhile, said that he, too, is "fully committed" to repeal "every single word of Obamacare."

"Mark my words, following the election in 2016, the referendum that we will have, in 2017 this chamber will return and we will repeal every word of Obamacare," the Texan promised on the Senate floor. "We'll bring back economic growth. We'll bring back opportunity," he added.