- Marco Rubio, President of the United States since 2017 (Nominee)
- Rick Perry, Governor of Texas from 2000 to 2014, presidential candidate in 2012.
Eligible for a second term, president Rubio meets no real opposition for the Republican nomination. He gains all the 51 states and all the 2286 delegates. So he can early focus on the presidential campaign. The Republican National Convention is held in Denver.
Marco Rubio - 2271 delegates, 51 states + DC, 99% of the popular vote
Rick Perry - 15 delegates, 0 state, 1 % of the popular vote