Logan made an appearance during a segment on the September 1, 2014, episode of Raw as the makeup artist for The Miz before appearing in a speaking role in November 2014 as a concession manager. In 2015, Logan appeared in a non-speaking role on SmackDown and the Raw following in a Niagara (a spoof of Viagra) commercial featuring The Miz and Damien Mizdow. She also made multiple appearances as a Rosebud for Adam Rose. On the April 29, 2015, episode of NXT, she faced Becky Lynch in a losing effort.
On October 19, 2016, WWE announced that Logan was signed to a developmental contract. On November 17, Bridges made her NXT debut at the WrestleMania 33 Ticket Party, defeating Macey Estrella. On the January 11, 2017, episode of NXT, Bridges made her first televised appearance under her real name, teaming with Macey Evans in a losing effort against The Iconic Duo (Billie Kay and Peyton Royce) in a tag team match. Logan returned on the June 7 episode of NXT, where she was defeated in singles competition by Royce. After being absent from NXT in-ring competition, Logan returned on the August 23 episode of NXT, where she was again defeated by Royce. On the October 25 episode of NXT, Logan participated in a battle royal to gain a spot at the fatal four-way match for the vacant NXT Women's Championship at NXT TakeOver: WarGames, in which she was unsuccessful, and turned out to be her last live broadcast appearance in NXT.
On June 16, 2017, Logan was announced as one of the first four participants competing in the Mae Young Classic. On August 28, Logan was eliminated in the first round by Mia Yim. On September 11, despite being eliminated from the tournament, Logan teamed with other eliminated competitors in a six-women tag team among them Santana Garrett and Marti Belle being defeated by Tessa Blanchard, Kay Lee Ray and Jazzy Gabert.
On the November 21, 2017, episode of SmackDown, Logan made her debut, along with Ruby Riott and Liv Morgan, by attacking both Becky Lynch and Naomi. On the same night, they interrupted a match between SmackDown Women's Champion Charlotte Flair and Natalya and attacked them both. The following week on SmackDown, the trio, now called The Riott Squad, made their in-ring debuts for the brand, defeating Flair, Natalya, and Naomi in a six-woman tag team match. Over the following months, The Riott Squad continued to compete against Flair and Naomi. On the December 19 episode of SmackDown, Logan and Riott lost to Flair and Naomi. On the January 16 episode of SmackDown, The Riott Squad defeated Flair, Naomi, and Becky Lynch. Logan then participated in the first women's Royal Rumble match at the Royal Rumble pay-per-view as the third entrant, but was eliminated by Molly Holly. During the 2018 Superstar Shake-Up, the Riott Squad was drafted to Raw and caused the match between Bayley and Sasha Banks to end in a no contest. During the July 16 episode of Raw, Sarah picked up her first singles victory in WWE with a win over Ember Moon. Logan also debuted a new Viking-inspired gimmick, wearing war paint and the commentary team making several references to her "discovering her Viking heritage".
On February 17, 2019, Logan and Morgan competed in a six–team Elimination Chamber match for the inaugural WWE Women's Tag Team Championship, at the namesake pay–per–view, where they were the third team eliminated by Nia Jax and Tamina but the eventual winners were Sasha Banks and Bayley. Logan competed at WrestleMania 35 in a women's battle royal match to decide the winner of a trophy, but after assuming she had won, Carmella eliminated her.
In the 2019 WWE Superstar Shakeup, Liv Morgan was moved to SmackDown Live, thus ending the Riott Squad. Logan would transition into a singles competitor debuting a new look and entrance theme; while also beginning a feud with Dana Brooke on WWE Main Event, where they traded wins with one another. On October 16, Logan was drafted to Raw. At Survivor Series, Logan was part of Team Raw and competed in the Triple Threat Women's Elimination Match against Team SmackDown and Team NXT, where she was eliminated by NXT's Bianca Belair. Logan reverted to her heel persona on the November 27, 2019 edition of Main Event, where she was defeated by Natalya. On the January 6 episode of Raw, Logan began a feud with Charlotte Flair after she attacked her before their match and stepped on her robe. The following week, Logan was defeated by Flair while also declaring herself as an entrant in the Women's Royal Rumble match. At the event, she entered the Royal Rumble match at number 22 but was eliminated in less than 30 seconds by Flair. On the February 10 episode of Raw, Logan lost to Rhea Ripley in a squash match. Logan would then be the guest referee during Liv Morgan match against Ruby Riott where Riott would argue with her for quick counting and letting Morgan win. On the same night, Logan pushed Riott and knocked down Morgan, showing her true colours. This led to an Elimination Chamber match against Morgan, Riott, Natalya, Shayna Baszler and one-half of the WWE Women's Tag Team Champions Asuka for a chance at Becky Lynch's WWE Raw Women's Championship at WrestleMania 36. At the namesake pay–per–view, she was the third entrant but the first to be eliminated by Baszler, who was the eventual winner, earning a shot at the Raw Women's Title and setting a a record by eliminating every other woman, in what was essentially a squash match.
On the April 13, 2020 episode of Raw, Logan competed in a qualifying match for the women's Money in the Bank ladder match, where she was defeated by Shayna Baszler due to a referee stoppage. This would be Logan's final appearance before being released on April 15.
On January 29, 2022, Logan made a surprise return to WWE at the Royal Rumble, entering the match at number twenty-five, and lasting only forty-three seconds until she was eliminated by Nikki and Brie Bella. She also made a brief reunion with Riott Squad teammate Liv Morgan. Logan returned to WWE on the November 11, 2022 episode of SmackDown as a heel, attacking Hit Row and Legado Del Fantasma, joining The Viking Raiders, adopting the new ring name Valhalla. As part of the 2023 WWE Draft, Valhalla, along with Erik and Ivar, was drafted to the Raw brand. On January 27, 2024, Valhalla entered the Royal Rumble match at the titular event as the twenty-fourth entrant. As she was walking to the ring, R-Truth entered the women's Royal Rumble match thinking it was the men's Royal Rumble match. Due to the confusion caused by R-Truth, Valhalla was immediately eliminated after she entered the ring.