The Marlins announced Tuesday that they’ve acquired infielder Emmanuel Rivera from the D-backs in exchange for cash. Shortstop Jacob Amaya was designated for assignment to open a spot on the 40-man roster.
Rivera, 28 in June, is coming off a lackluster season in 2023 but seemed on the verge of a breakout in the prior two years. In 2021, while with the Royals, he first reached Triple-A and hit .286/.348/.592 in his first 63 games at that level.
In 2022, he did well at Triple-A again, hitting .307/.388/.520. He couldn’t immediately carry that over to the big leagues, hitting .243/.294/.378 in 309 plate appearances for the Royals in 2021 and 2022, translating to a wRC+ of 85. But he was traded to the Diamondbacks at the 2022 deadline for right-hander Luke Weaver and hit .227/.304/.424 for the Snakes after the deal, producing a wRC+ of 104 in that time.
In 2023, he continued mashing in Triple-A, hitting .330/.395/.598 there. In the bigs, however, he slashed .261/.314/.358 for a wRC+ of 83. He burned his last option last year and is now out of options. He stuck with the Diamondbacks through the winter but didn’t make the Opening Day roster and got squeezed off the 40-man.
For the Marlins, they will take a shot on Rivera and hope that his continually strong Triple-A production can start to filter up to the majors. He’s considered a strong defender at third, with nine Defensive Runs Saved and two Outs Above Average, with the ability to play first as well.
The Fish have Jake Burger as their regular at the hot corner but he’s not considered great with the glove, -11 DRS and -14 OAA, so Rivera could perhaps spell him in the field on occasion. Rivera has also hit .273/.327/.410 against lefties in his big league career compared to .233/.293/.364 against righties so perhaps could be used against southpaws while Burger goes to first base or the designated hitter spot. Corner outfielders Jesús Sánchez and Nick Gordon are both lefties with notable platoon splits, so perhaps they could be shielded a bit.
As for Amaya, 25, he’s long been considered a strong defender but the big question has been how much he can hit. Acquired from the Dodgers just over a year ago in the Miguel Rojas trade, he made his major league debut last year and got two singles in his first nine plate appearances. He hit .252/.345/.407 in Triple-A last year for a wRC+ 89.
He has just one minor league option remaining so it may be something of a make-or-break year for him. The Marlins will have one week to trade him or pass him through waivers. Given his solid defensive reputation, he could appeal to clubs with questions about their shortstop depth, especially since Amaya can be kept in the minors for the rest of the season.