[5] That summer, he played in the California Collegiate League for the Santa Barbara Foresters where he batted .392 with ten home runs over 34 games.
[6] In 2017, Boswell's redshirt junior season at Texas, he hit .273 with seven home runs and 33 RBIs over 61 games.
[7] Boswell was selected by the Colorado Rockies in the eighth round of the 2017 Major League Baseball draft.
[8][9] He signed and made his professional debut that year with the Boise Hawks of the Low–A Northwest League, slashing .293/.339/.515 with 11 home runs and 42 RBIs over 54 games.
[10] In 2018, he began the year with the Asheville Tourists of the Single–A South Atlantic League, with whom he earned All-Star honors.
[12] He spent the 2019 season with the Hartford Yard Goats of the Double–A Eastern League, hitting .219 with 15 home runs and 39 RBIs.