mezii

While players like ZywOo or donk capture the headlines with flashy multi-kills, William “mezii” Merriman dominates through positioning, discipline, and an uncanny ability to hold bomb sites alone. He is the rock upon which championships are built.

At 27, the British rifler for Team Vitality has single-handedly redeemed the reputation of UK Counter-Strike. From the depths of the semi-pro scene to becoming a multiple Major champion, he stands as the “King of UK CS” and the ultimate example of hard work beating talent.

📋 Personal Information & Settings

Career History

Mezii’s career began in the grassroots UK scene around 2016, playing for local mix teams and organizations like Vexed Gaming. For years, he was a hidden gem, dominating the domestic circuit while finishing his university degree. His big break came in late 2020 when HenryG shocked the world by signing the relatively unknown Brit to the “Colossus” Cloud9 project. Although the team struggled, mezii was the shining light, proving he belonged at Tier-1. After a dominant stint carrying Endpoint and a leadership role in Fnatic, he received the call to join Team Vitality in late 2023, replacing legendary winner Magisk. He wasted no time, winning the BLAST Premier World Final in his debut month.

Current and Former Teams

• Vexed Gaming (2019-2020)
• Cloud9 (September 2020 – March 2021)
• Endpoint (April 2021 – August 2021)
• Fnatic (August 2021 – November 2023)
• Team Vitality (November 2023 – Present)

The UK Redemption

Born in Birmingham, England, mezii carried the weight of a nation often mocked in the Counter-Strike world. Before him, “UK CS” was a meme; after him, it became a powerhouse. His path was unconventional- he didn’t drop out of school at 16; he completed a degree in Accounting and Finance while fragging out in FPL.

His move to Vitality was met with skepticism. Could a nice guy from the UK fill the shoes of a 4-time Major winner? He answered by becoming the glue that held the team together. His impact is often invisible on the scoreboard but essential on the server. He sacrifices his stats so superstars like ZywOo can shine, yet when the superstars fall, mezii is always there to close the round.

In 2024 and 2025, he solidified his legacy, becoming the most decorated British player in history and finally bringing a Major trophy home to the UK fanbase.

2025: The Anchor of the Year

If 2024 was his adjustment period, 2025 was his mastery.

Critics often overlooked him for flashier players, but his contribution to Vitality’s “Golden Era” was undeniable. He was voted HLTV’s “Anchor of the Year” for 2025, a testament to his immovable defense on CT sides.

He played a pivotal role in Vitality’s historic double-Major run, holding the line against the aggressive entries of FaZe and Spirit.

By the end of the season, he had cracked the HLTV Top 20 for the first time (#12), proving that you don’t need to be a selfish player to be a star.

Video: Vitality signs “Messi” (Mezii) – YouTube: Team Vitality

🏆 Biggest Tournament Wins

Mezii has filled his trophy cabinet with some of the most prestigious titles in the game.

The victory at IEM Cologne 2024 was a turning point, but the BLAST.tv Austin Major 2025 remains his crowning achievement – becoming the first British player to lift a Major trophy, silencing a decade of doubters.

Individual Achievements

Mezii’s accolades reward his selfless style of play.

• HLTV Player of the Year: #12 (2025)
• Anchor of the Year (2025)
• First British Major Winner
• EVP (Exceptionally Valuable Player): StarLadder Budapest, BLAST Austin

Playstyle Breakdown: The “Perfect Teammate”

Mezii is the antithesis of the selfish star. His game is built on reliability.

1. The Rock of the Site

Mezii is arguably the world’s best “Anchor” (a player who holds a bombsite alone). Whether it’s Pit on Inferno or Ramp on Nuke, he rarely gives up the site for free. His ability to trade at least one-for-one while alone allows his team to stack the other site.

2. Utility Master

He constantly tops the charts for flash assists and support damage. He knows exactly when to pop-flash for ZywOo or smoke off a choke point to delay a rush.

3. The Clutch Minister

While not his primary role, mezii has an eerie calmness in 1vX situations. His “Accounting” background shows in his gameplay—he calculates the odds instantly and makes the play with the highest probability of success, rarely panicking.

Personality & Routine

Mezii is known as “King Mezii” by the community, a nickname born from irony but solidified by respect. He is famously humble and soft-spoken, a stark contrast to the egos often found in Tier-1. He treats Counter-Strike like a profession, maintaining a disciplined schedule and a healthy lifestyle. Teammates describe him as the easiest person to play with – someone who never complains about a bad role and always lifts the team’s morale with his dry British humor.

The Most Unique Settings in CS

Perhaps more famous than his clutching ability is how Mezii actually controls the game. In a world where 99% of pros use WASD, Mezii uses a layout that baffles analysts and teammates alike. He does not use “W” to move forward. He uses his mouse. His setup is a relic of his early gaming days, creating a movement style that is entirely his own. When spectators see his smooth movement, few realize he is pressing Right Click to rush into a site and Spacebar to retreat.

The “Mezii” Keybinds:

• Move Forward: Right Click MOUSE2
• Move Backward: Space SPACE
• Move Left: S
• Move Right: D
• Primary Fire: Left Click MOUSE1
• Secondary Fire: Mouse 5 (Side Button)
• Reload: R
• Primary Weapon: F
• Pistol: Mouse Wheel Up
• Knife: Mouse 4 (Side Button)
• Walk: W
• Crouch: C
• Jump: Q