Jonah Nathan Heim (born June 27, 1995), nicknamed “The Buffalo Bomber”, is a Major League Baseball catcher for the Texas Rangers (MLB). In 2020, he made his Major League Baseball debut with the Oakland Athletics. He is 6 feet 4 inches tall.
Heim went to Amherst Central High School in Snyder, New York, and Kenmore East High School in Tonawanda, New York. He signed a letter of intent to play collegiate baseball for the Michigan State Spartans at Michigan State University.
The Orioles traded Heim to the Tampa Bay Rays on August 1, 2016, in exchange for Steve Pearce. He was sent to the Charlotte Stone Crabs by Tampa Bay and spent the rest of the season with them.
On December 19, 2017, Heim was traded to the Oakland Athletics as the player to be named later in exchange for Joey Wendle. He played in 119 games for both the Stockton Ports and the Midland RockHounds in 2018, batting.258 with eight home runs and sixty RBIs.
In 2019, he split time between Midland and the Las Vegas Aviators, hitting.310/.385/.477/.862 with 9 home runs and 53 RBI. Heim was added to the Athletics’ 40–man roster on November 1, 2019.