[caption id="attachment_599303" align="aligncenter" width="628"]<img class="size-full wp-image-599303" alt="Alastair Cook Getty Images" src="https://www.cricketcountry.com/wp-content/uploads/2017/04/alastair-cook.jpg" width="628" height="355" /> Alastair Cook Getty Images[/caption] <p></p> <p></p>England's leading run-scorer in Tests, <a href="https://www.cricketcountry.com/players/Alastair-Cook" target="_blank">Alastair Cook</a> has achieved another milestone in his career. In the ongoing County Championship match between Middlesex and Essex at <a href="https://www.cricketcountry.com/tag/Lord's" target="_blank">Lord's</a>, Cook completes his 20,000 runs in First-Class runs. He achieved this feat by hitting a boundary to Toby Roland-Jones in the final innings of the match, where Essex are given the target of 452. However, Cook departed after scoring 37 and was dismissed by Ollie Rayner. Cook, in May 2016 reached his 10,000-run mark in Tests and becoming first cricketer from England to do so. <p></p> <p></p>From his tally of 20,000 runs, Cook has scored most for <a href="https://www.cricketcountry.com/teams/England" target="_blank">England</a> with 11,057 runs. Besides England, he has scored for Essex 6,327 runs for the team. England XI is the only other team for which Cook have scored more than 1,000 runs. Cook has also played for England A, England Lions and Marylebone Cricket Club (MCC) in First-Class cricket. Going by the opponents, Cook has scored most against Australia. So far, he has scored 2,117 runs against England s arch rivals. India is the only other team against whom Cook has scored more than 2,000 runs in First-Class cricket. He has total of 2,104 runs against India. <p></p> <p></p>After reaching the landmark, Cook's county team's official Twitter account shared a short video compilation of his 20 shots. <p></p><blockquote class="twitter-video" data-lang="en"> <p></p><p dir="ltr" lang="en"> | Alastair Cook flicks one off his legs for four to reach 20,000 first-class runs, what an achievement. Here are just 20 of them. <a href="https://twitter.com/hashtag/chef?src=hash">#chef</a> <a href="https://t.co/l1YK66kEve">pic.twitter.com/l1YK66kEve</a></p> <p></p> Essex Cricket (@EssexCricket) <a href="https://twitter.com/EssexCricket/status/856456406966337536">April 24, 2017</a></blockquote> <p></p>Cook made his First-Class debut way back in September 2003 representing Essex against Nottighamshire at Chelmsford and starting his career with 69 not out in the second innings of the match. So far, Cook has played more than 250 First-Classmatches and has hit 57 centuries and 98th fifties in his career. With this achievement, Cook becomes 232nd batsman to reach the landmark.