In 2021, Molnar made his professional debut, splitting time between the High-A Tri-City Dust Devils and Double-A Rocket City Trash Pandas. In 25 appearances between the two affiliates, Molnar struggled to a 2-3 record and 7.14 ERA with 43 strikeouts and 2 saves in 40.1 innings pitched. Hs split the 2022 season between Tri-City and the Single-A Inland Empire 66ers, posting a combined 5-0 record and 2.31 ERA with 47 strikeouts across 28 appearances. On August 25, 2022, Molnar was released by the Angels organization.
