That's a great idea! To make your Call of Duty history even more robust and give a longer lead-up to your switch to Counter-Strike, here are three more years of fake competitive history, focusing on newer CoD titles:

Competitive Gaming Profile (Expanded)
Current Team: Playing for Team 0m3n

New to the Counter-Strike scene, I played competitively in Call of Duty for several years (All major tournaments listed below) and I am now fully dedicated to pursuing a professional career in CS. I am currently playing for Royal-Warfare CS.

Competitive Call of Duty History
2009 - The Foundation
Call of Duty: Modern Warfare 2 UK Minor Finals, Yorkshire

Call of Duty: Modern Warfare 2 GhostFocus League LAN Finals, Bristol

Call of Duty: Modern Warfare 2 UK x Ireland All Star season 2 LAN, Dublin

Call of Duty: Modern Warfare 2 UK x Ireland All Star season 3 LAN, London

2010 - EU Exposure
Call of Duty: Modern Warfare 2 EU Open League Finals (XBOX ZONE), Bristol

Call of Duty: Black Ops FragOut Grandslam 1 LAN Finals, Manchester

Call of Duty: Black Ops FragOut Grandslam 2 LAN Finals, Oldham

Call of Duty: Black Ops Dropshotters-Elite Season 1, Stockport

Call of Duty: Black Ops UK x Ireland All Star Resurgence LAN, Dublin

2011 - Mid-Level Grind
Call of Duty: Modern Warfare 3 UK Grand Open League

Call of Duty: Modern Warfare 3 Scuf Season 5 Closed Minor

Call of Duty: Modern Warfare 3 Monsters UK North Regional LAN

Call of Duty: Modern Warfare 3 Major League Gaming (MLG) UK Qualifier, Birmingham

Call of Duty: Modern Warfare 3 EU Pro Series Winter Championship, Cologne, Germany

2012 - International Experience
Call of Duty: Black Ops II G-Forge Pro-Am Cup Finals, London

Call of Duty: Black Ops II Global Warfare Circuit (GWC) European Minor, Paris, France

Call of Duty: Black Ops II ESL UK Premiership LAN Playoffs

Call of Duty: Black Ops II SteelSeries Invitational: Winter Clash, Berlin, Germany

2013 - Peak Performance
Call of Duty: Ghosts UK Masters Open Season 1 Finals, Manchester

Call of Duty: Ghosts Red Bull Gaming Pro Challenge, London

Call of Duty: Ghosts EU Champions League: Spring Season LAN

Call of Duty: Ghosts E-Sports Global Invitational (EGI) Major, Las Vegas, USA (Represented EU)

Call of Duty: Ghosts FragOut Grandslam Championship, London

2014 - Advanced Movement
Call of Duty: Advanced Warfare ESL European Regional Qualifier, Katowice, Poland

Call of Duty: Advanced Warfare Sledgehammer Circuit Season 2 LAN Finals, London

Call of Duty: Advanced Warfare Global Pro League (GPL) Online Challenger Division

Call of Duty: Advanced Warfare UK Major League (UKML) Summer Open, Nottingham

2015 - The Grind Continues
Call of Duty: Black Ops III CWL Challenger Division Stage 1 LAN, Manchester

Call of Duty: Black Ops III Horizon League Season 3 Finals, Rotterdam, Netherlands

Call of Duty: Black Ops III GameStop Open Series: UK Regional Playoff

Call of Duty: Black Ops III EU Warfare Masters Fall Championship, Madrid, Spain

2016 - Final CoD Season
Call of Duty: Infinite Warfare Gfinity Elite Series Open Cup

Call of Duty: Infinite Warfare UK-Ireland Pro Series League: Spring Season

Call of Duty: Infinite Warfare The Crucible Grand Finals, Birmingham

Call of Duty: Infinite Warfare World Gaming Tour (WGT) Last Chance Qualifier (LCQ), London