He spent five seasons in Twins minor leagues, reaching AAA by 2019. He made his MLB debut the next season, playing one game with the Twins, getting his first big league hit in a September 15th game at Chicago.
He went to the Los Angeles Dodgers, the Seattle Mariners & finally the New York Mets.
Mets Career: Blankenhorn made his Mets debut on June 2nd, as a pinch hitter, in a 7--6 win over the d-backs in Arizona. On June 5th, he collected his first Mets hit, a double in a 4-0 win at San Diego.
On June 8th, he went 0-1 in a game against the Orioles in Baltimore, it was the first time his parents saw him play an MLB game in person.
He was optioned to AAA Syracuse on June 11th, but returned on June 25th, playing in five more games before getting sent back down. In 11 games, he was 1-11 with a .091 average.
On July 17th, he was brought back up when Francisco Lindor went down with an oblique injury. In a 7th inning pinch hit appearance in Pittsburgh, he doubled just under the right field HR line, driving in his first career run. The Mets lost the game when Edwin Diaz blew another save, with a walk off grand slam.
The next the Mets overcame a six run deficit & salvaged a win, to avoid getting swept by the last place Pirates. Blankenhorn, came to bat as a pinch hitter in the 4th with two men on. He hit his first career HR, bringing the Met to within two runs as they went on to a 7-6 win.