They were coached by Jason Dungjen, Sergei Petrovski, Yuka Sato, and Linda Johns in Bloomfield Hills, Michigan.

[4] During the 2014–15 JGP series, Liu/Johnson won a bronze medal in Dresden, Germany and placed fourth in Zagreb, Croatia.

"[9] Despite being national silver medalists, Calalang/Johnson were not assigned to one of the United States' two pairs berths at the 2020 World Championships in Montreal.

Instead, they were sent to the 2020 Four Continents Championships in Seoul, where they placed fourth in the short program after Calalang stepped out of their side-by-side jump attempt.

[13] Calalang/Johnson were assigned to compete at the 2020 Skate America, with the Grand Prix operating largely based on training location due to pandemic travel restrictions.

[16] Competing at the 2021 U.S. Championships, Calalang/Johnson placed second in the short program after Calalang fell on her attempted triple Salchow jump, ending up 6.16 points behind Knerim/Frazier.

[18] Calalang/Johnson were named to the American team for the 2021 World Championships in Stockholm,[19] but later withdrew for what were initially announced as "personal reasons".

[20] Eight months later it was revealed that Calalang had tested positive for 4-CPA, a known metabolite of Meclofenoxate, a stimulant prohibited by the United States Anti-Doping Agency.

[21] Due to the suspension, Calalang/Johnson were not eligible to be assigned to any events on the Grand Prix apart from receiving a host spot at 2021 Skate America after being cleared.

[21] They made their debut at the Skating Club of Boston's Cranberry Cup event, winning the bronze medal, before placing fourth at the 2021 CS Finlandia Trophy.

[22] Defending national champions Knierim/Frazier were forced to withdraw from the 2022 U.S. Championships due to a positive COVID-19 test, but were still expected to be named to the American Olympic team.

Both expressed disappointment at the result, but Johnson added "after everything that's happened this year, we are both just so grateful to be here in front of an audience again.