[2] In 2008, the Reds moved him to their domestic affiliate in the rookie-class Pioneer Baseball League, where he hit .183 in 61 games.

[4] In 2014, he received a non-roster invite to Major League spring training, where he was given a chance to compete for the vacant second base job.

On June 18, he successfully made an extremely difficult defensive play to preserve a no hitter thrown by Clayton Kershaw in the 7th inning.

[4] On December 10, 2014, the Dodgers traded Rojas, along with Dee Gordon and Dan Haren, to the Miami Marlins in exchange for Andrew Heaney, Chris Hatcher, Austin Barnes, and Enrique "Kiké" Hernández.

[4] This earned Rojas more playing time the next season as he appeared in 123 games, slashing .247/.288/.325 with one home run and 14 RBI.

[15][16][17] Despite testing positive, Rojas partnered with the company Stadium Custom Kicks during the 2020 season, branding the partnership as Miggy's Locker.

The partnership allowed Rojas to design custom-made cleats to express his passion in shoes and basketball.

[24][25] While initially expected to be a utility player, Rojas wound up the starting shortstop when Gavin Lux went down with a season ending knee injury in spring training.

[4] The team voted Rojas the winner of the Roy Campanella Award, which exemplifies the spirit and leadership of the late Hall of Fame catcher.