A lot of rookies made their mark in Major League Baseball this season, whether they began the year at the major-league level or were called up at some point in 2019. There were several impressive first-year players who didn’t make this list, such as Vladimir Guerrero Jr. Eloy Jimenez, Yordan Alvarez, and Bryan Reynolds, among others across the majors.
Here are five MLB rookies who put together breakout seasons.
Pete Alonso, New York Mets
There’s no way that Alonso wouldn’t be the first player on this list after his huge rookie season. “Pete the Polar Bear” made the Mets roster out of spring training as their starting first baseman, and he has been raking at the plate since. He’s just the second rookie ever behind Aaron Judge to hit 50 home runs in his rookie season, and he also just passed Mets legend David Wright for most total bases in a single season in Mets history.
Alonso is hitting .259 with a big-league-leading 51 home runs and 118 RBIs. He hit one of the hardest balls of the 2019 season according to Statcast, a no-doubter off Jonny Venters that left the bat at 118.3 mph and traveled 454 feet. There’s no doubt that he has become a centerpiece in New York….