What Does “Mid Diff” (Mid Gap) Mean in League of Legends?


“Mid diff” is an abbreviation of “mid-lane difference” used in MOBA games like League of Legends and Dota 2. It refers to the performance disparity between the mid-laners of two opposing teams, highlighting the impact of one mid-laner significantly outperforming their counterpart during a match.

League of Legends (LoL) is a highly competitive and strategic online multiplayer game that has captured the hearts of millions of gamers worldwide. As with any online game, LoL has its own unique lingo that may be difficult for new players or even seasoned veterans to understand. One such term is “mid diff,” which is commonly used in the game’s community. In this article, we will explore the meaning of “mid diff” and delve into its significance within the context of League of Legends.

Defining “Mid Diff”

“Mid diff” is an abbreviation of “mid-lane difference” and is used to describe the performance disparity between the mid-laners of two opposing teams. The mid-lane is one of the three primary lanes in League of Legends, with top and bot lanes being the other two. Each lane has its own objectives, and the mid-lane is crucial in shaping the overall flow of a match. The term “mid diff” is employed when one mid-laner significantly outperforms their counterpart, either through superior mechanics, better decision-making, or more effective map pressure.

How Mid-Lane Difference Affects a Game

The mid-lane is often referred to as the “center of the map,” as it connects the other two lanes and serves as a vital junction for game-changing objectives like Rift Herald, Dragon, and Baron Nashor. A mid-laner who excels can greatly influence the outcome of a match in several ways:

  1. Lane Pressure: A dominant mid-laner can create pressure by pushing the minion waves, forcing their opponent to stay in lane and deal with the constant threat. This pressure can result in the enemy mid-laner falling behind in terms of gold and experience, limiting their impact on the game.
  2. Roaming: A successful mid-laner can roam to other lanes to help secure kills, apply pressure, or assist with objectives. By doing this, they can transfer their advantage to their teammates, bolstering the team’s overall strength and increasing the chances of victory.
  3. Objective Control: A strong mid-laner can provide vision control and zone out the enemy team during crucial objectives like Dragon or Baron Nashor. By dominating the mid-lane, they can help secure these objectives for their team, offering valuable buffs and advantages that can swing the game in their favor.
  4. Teamfighting: Mid-laners often have significant damage output and crowd control abilities. A mid-laner who has outperformed their counterpart will be more effective in teamfights, making it more likely for their team to secure kills and objectives.

How to Address a “Mid Diff” Situation

If you find yourself in a game with a significant mid diff, there are a few strategies you can employ to minimize its impact:

  1. Communication: Alert your teammates about the situation and ask for help. Good communication can lead to effective ganks or pressure from other lanes, helping to balance out the mid-lane disadvantage.
  2. Vision: Proper warding around the mid-lane can help prevent enemy roams and give your team the information they need to respond effectively.
  3. Adaptation: If your mid-laner is struggling, consider swapping lanes or adjusting your team’s playstyle to accommodate the disadvantage. Focusing on other objectives, such as split pushing or securing neutral objectives, can help mitigate the effects of a mid diff.

Origin of the Term “Mid Diff”

The term “mid diff” has its roots in the gaming communities surrounding various online multiplayer games. As with many gaming terms, the exact origin is difficult to pinpoint, but it likely emerged as an abbreviation of the phrase “mid-lane difference” in the context of MOBA (Multiplayer Online Battle Arena) games like League of Legends and Dota 2.

MOBA games, such as League of Legends, gained widespread popularity in the late 2000s and early 2010s. Players in these communities began to develop their own lingo to communicate strategies and game-related concepts quickly. In the highly competitive environment of MOBAs, players are always looking for ways to describe the factors that lead to a team’s victory or defeat.

The term “mid diff” likely became popular because it concisely conveys the idea of a disparity in skill or performance between the mid-laners on two opposing teams. The term has now become a commonly used phrase within the gaming community, and its usage has spread across various platforms, including in-game chats, forums, social media, and streaming platforms.

First Mention of “Mid Diff” and “Mid Gap” On Reddit

Reddit is a pretty good way to hunt down the early usage of a term, due to it’s large userbase and the fact that it’s been around since 2005.

The first ever mention of “Mid Diff” on Reddit was on Monday 5th February 2018, by user ‘Archonour’, in the /r/leagueoflegends subreddit. The contents of the comment is:

“Oh hey there.. Well you know, playing only mid can get quite boring.. so we roam and roam and roam until your bot lane says ”mid diff””

The first ever mention of “Mid Gap” on Reddit was on Tuesday 26th May 2015, 01:12:20, by user ‘rh1n0man’, in the /r/leagueoflegends subreddit. The context of the term is:

“If the mid gap was not so large or TSM were not so good at team-fights I would say liquid are the more promising team”

Mid Diff and Mid Gap Popularity According to Google Trends

The below graph from Google Trends highlights the popularity of “Mid Diff” and “Mid Gap” since 2004:

Based on this, it appears that “mid gap” is the more popular term with wider interest.

What Terms Are Similar to “Mid Diff”

Similar terms to “mid diff” also describe performance disparities between players in different roles or lanes in MOBA games like League of Legends and Dota 2. Some of these terms include:

  1. “Top diff: Refers to the difference in performance between the top laners of two opposing teams.
  2. Bot diff: Represents the performance disparity between the bot laners (usually the ADC or Attack Damage Carry and the Support) of two opposing teams.
  3. Jungle diff: Indicates the difference in performance and impact between the junglers of two opposing teams.
  4. “Supp diff: Refers to the disparity in performance between the support players of two opposing teams.
  5. ADC diff: Highlights the difference in performance between the ADC players of two opposing teams.

These terms are used to emphasize the impact of one player outperforming their counterpart in a specific role or lane, contributing to a team’s overall success or failure in the game.


In League of Legends, “mid diff” refers to the performance gap between the two opposing mid-laners. A significant mid diff can have a profound impact on the game due to the mid-lane’s central role in objectives and map control. Understanding the

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