Will Kroos
English professional wrestler
From Wikipedia, the free encyclopedia
William Walker (born 28 October 1996) is an English professional wrestler. He is signed to WWE, where he performs on the NXT brand under the ring name Mason Rook.[3] He is known for his time on the British independent scene, where he performed under ring name Will Kroos.[4]
- Will Kroos
- Mason Rook
Kroos in March 2025 | |
| Personal information | |
|---|---|
| Born | 28 October 1996[1] |
| Professional wrestling career | |
| Ring names |
|
| Billed height | 193 cm (6 ft 4 in)[2] |
| Billed weight | 135 kg (298 lb) |
| Trained by | FFW Wrestling Academy Hayden "Dutch" Loeve Rampage Brown |
| Debut | 2017 |
Professional wrestling career
Training and early career (2017)
Walker began training to become a professional wrestler at Fight Factory Wrestling (FFW) in Lincoln, Lincolnshire being trained by Hayden "Dutch" Loeve appearing as a student wrestler in their Academy prior to making his professional debut in 2017 under the name Will Kroos.[5] He competed for the FFW Academy Championship against Magic Myers at Origins in January 2017.[6] Kroos is recognized by the company as one of the leading graduates of its academy system.[7]
British independent circuit (2017–2026)

Kroos made his professional wrestling debut at Evolution 47: You And Me In British Racing Green, an event promoted by Hope Wrestling on May 26, 2017, where he defeated Shogun J in singles competition.[8] Kroos competed regularly for Fight Factory Wrestling (FFW) during the early years of his career. Among his earliest notable matches were contests against Joey Ozbourne and Nick Aldis in 2017.[9] During his time with FFW, Kroos became a one-time FFW Heavyweight Champion.[7] Kroos is known for his tenure with various promotions from the British independent scene such as Preston City Wrestling (PCW), Pro Wrestling Chaos (PWC), Insane Championship Wrestling (ICW) and many others.[2]
At RevPro Unfinished Business 2022 on May 1, Kroos teamed up with Blake as "Pure Beef" to unsuccessfully challenge Sunshine Machine (Chuck Mambo and TK Cooper) for the British Tag Team Championship.[10] At RevPro Summer Sizzler 2022 on July 23, Kroos competed in a six-way scramble to determine the number one contender for All Elite Wrestling's AEW All-Atlantic Championship won by Connor Mills and also involving Callum Newman, Man Like DeReiss, Ricky Knight Jr. and Robbie X.[11]
Kroos final independent date took place on April 12, 2026 at RevPro Epic Enounter, where he unsuccessfully challenged Jay Joshua for the Undisputed British Heavyweight Championship.[12]
Progress Wrestling (2022–2026)
Kroos made his debut in Progress Wrestling at Chapter 132: By The Beard Of Zeus on April 17, 2022, where he unsuccessfully challenged Rickey Shane Page and Joe Hendry in a first round match of a tournament for the reactivated Progress Atlas Championship.[13]
At Chapter 175: Unboxing VII: The Curtain Call on December 29, 2024, Kroos teamed up with "Mothdog" stable partner Gene Munny to unsuccessfully challenge reigning champions Smokin' Aces (Charlie Sterling and Nick Riley) and Simon Miller and Jerry Bakewell in a three-way tag team bout disputed for the Progress Tag Team Championship.[14] At Chapter 177: My Own Destiny on February 23, 2025, Kroos unsuccessfully challenged Simon Miller for the Progress Proteus Championship.[15] At Chapter 183: Hundred Volts on August 25, 2025, he took part in a three-way match where Gene Munny defeated reigning champion Mike D Vecchio and Kroos the Progress Atlas Championship.[16] Kroos won the title one month later at Chapter 184: Camden Lock Up on September 28, 2025 by defeating Munny in singles competition before losing it in Japan in Pro Wrestling Noah on January 1, 2026 to Saxon Huxley.[17][18]
During his time with the promotion, he chased for various accomplishments. In the 2025 edition of the Super Strong Style 16, he defeated Marcus Mathers in the first rounds, only to fall short to Charlie Sterling in the second ones.[19]
Pro Wrestling Noah (2024–2026)
Kroos often wrestles in events promoted by Pro Wrestling Noah due to the latter promotion's business relationship with British scene talent. He made his first appearance on the first night of the Noah UK Tour on September 6, 2024, where he fell short to Yoshiki Inamura.[20]
Kroos made his debut in a Noah pay-per-view in Japan at Sunny Voyage 2025 on July 13, where he unsuccessfully challenged Galeno for the GHC National Championship.[21] On the first night of New Departure 2025 from July 19, 2025, where he teamed up with Shuhei Taniguchi and Hajime Ohara in a losing effort against Los Golpeadores (Alpha Wolf and Dragon Bane) and Super Crazy.[22] On the second night of the event from July 20, he teamed up with Kazuyuki Fujita and Daiki Odashima in a losing effort against Ratel's (Manabu Soya, Daiki Inaba and Saxon Huxley).[23] On January 1, 2026 at Noah The New Year 2026, Kroos lost his Progress Atlas Championship to Huxley.[24]
WWE (2026–present)
Walker made his WWE debut on the April 28, 2026 edition of NXT, attacking the NXT Champion Tony D'Angelo and adopting the name Mason Rook soon after.[25][26]
Championships and accomplishments
- British Wrestling Revolution
- Fight Factory Wrestling
- North Wrestling
- North Tag Team Championship (1 time) – with Rampage Brown[31]
- Preston City Wrestling
- PCW Heavyweight Championship (1 time)[32]
- PCW Tag Team Championship (1 time) – with Iestyn Rees[33]
- Road To Glory Tournament (2020)[34]
- Pro Wrestling Chaos
- Knights Of Chaos Championship (1 time) – with Martin Kirby[35]
- Progress Wrestling
- Rise Underground Pro Wrestling
- Rise Hardcore Championship (1 time)[37]
- Tidal Wrestling
- Tidal Championship (2 times)[38]
- World War Wrestling
- WWW Heavyweight Championship (1 time)[39]