[3] Campero spent the 2019 campaign with the rookie-level Pulaski Yankees, playing in 36 games and batting .293/.374/.414 with two home runs, 12 RBI, and 10 stolen bases.
[6] He spent the 2021 campaign with the Single-A Inland Empire 66ers, playing in 41 games and slashing .245/.316/.360 with four home runs, 16 RBI, and eight stolen bases.
[7] Campero began the 2022 season with the Double-A Rocket City Trash Pandas, but played in only 6 games.
He split 2023 between Rocket City and the High-A Tri-City Dust Devils, accumulating a .330/.408/.632 batting line with 12 home runs, 42 RBI, and 20 stolen bases in 64 total appearances.
[8] Campero began 2024 with Rocket City, and was promoted to the Triple-A Salt Lake Bees in August.