[4] In 2018, Varsho played with the Visalia Rawhide of the High–A California League, [5] where he hit .286/.363/.451 with 11 home runs, 44 RBI, and 19 stolen bases in 80 games.

[16] On December 23, 2022, the Diamondbacks traded Varsho to the Toronto Blue Jays in exchange for Lourdes Gurriel Jr. and Gabriel Moreno.

[17] On January 13, 2023, Varsho signed a one-year, $3.05 million contract with the Blue Jays, avoiding salary arbitration.

[20] On September 17, 2024, it was announced that Varsho would be undergoing surgery to repair a rotator cuff injury in his right shoulder, ending his season.

[21] He is the son of former MLB outfielder, manager, and coach Gary Varsho,[22] and is named after Darren Daulton, his father's former teammate.