Halpern signed with the Los Angeles Valiant of the OWL ahead of the league's inaugural season.

However, being far away from where he grew up, as well as the commute to Lemen, was difficult for him, so his mother transferred him to Life Sciences, a public school on the Upper East Side.

Halpern regularly skipped classes at Life Sciences to go home and play Overwatch, which led to him nearing academic probation at school.

[5] Later that year, esports organization Cloud9 picked up Halpern as a fill-in for Overwatch Contenders Europe Season One.

[1] Halpern made his professional debut on April 4, 2018, right after the midpoint of the season, and immediately make an impact with the team.

[16] Halpern picked up his second OWL midseason tournament title in 2021, after the Gladiators defeated the Chengdu Hunters in the Countdown Cup finals.

[18] After his first year in the OWL, Halpern was selected as a member of Team USA in the 2018 Overwatch World Cup (OWWC).