Maradona's name has become part of our daily conversations and sayings, Modi said.
Attention is expected to focus on issues including a trade war between the United States and China, a new North American trade deal and the conflict in Ukraine.
Trump's skepticism of man-made global warming has also raised questions about what the communique will say on the issue.
Previously enacted tariffs are already seeping into prices for consumer products sold in the USA - from handbags to food to bicycles - as the G-20 summit begins.
Chaired by President Mauricio Macri of Argentina, the Buenos Aires gathering is the first G20 Summit in which President Ramaphosa will participate since being elected President in February 2018. But the divisions on the final communique have only highlighted how fractured the grouping has become on key global issues.
"I really don't know, but I will tell you that I think China wants to make a deal", he continued.
The G20, which consists of the leading developed and developing economies, accounts for 85% of global Gross Domestic Product, 80% of world trade and two-thirds of the world's population. A decade on, that unity has all but vanished as the "America First" Mr Trump shreds the consensus underpinning global trade and other G20 countries such as Brazil, Italy and Mexico turn to populist leaders.
President Donald Trump remains set on getting the US what he thinks are better trade deals.
Trump's hardline trade adviser, Peter Navarro, will attend the meeting between Trump and Xi, a source familiar with the situation told Reuters.
Trump has 'silent' support of world leaders to strike 'hard bargain' with China: Ex-NATO ambassador
"I hope that the United States and China could move towards each other and work hard to achieve positive results in the meeting", Gao said, without giving any details.
Trump on Thursday also reiterated that USA tariffs were generating tax revenues: "What we have right now is billions and billions of dollars coming into the United States in the form of taxes", he said. The EU and Japan, in particular, have also drawn promises from Trump that he would not proceed with the auto tariffs as long as they are engaged in trade negotiations that are due to get underway in earnest early next year.
The trilateral meeting between Trump, Abe and Modi is taking place in the backdrop of China engaged in hotly contested territorial disputes in the South China Sea, and with Japan in the East China Sea.
Mr Morrison arrives in Buenos Aires on Thursday night, local time, for two days of meetings before flying home for Parliament next week.
Crown Prince Mohammed bin Salman has been accused by Human Rights Watch of war crimes in Yemen and responsibility for the gruesome killing of newspaper columnist Jamal Khashoggi inside the Saudi consulate in Istanbul last month.
Thomas Wright, a senior fellow at the Brookings Institution in Washington, said "there's a deep division in this G20 now between democracies and authoritarians". Saudi Arabia has said the prince had no prior knowledge of the murder.
There is doubt that a separate planned encounter at the G20 between Trump and Russian President Vladimir Putin will even go ahead, after Russian security forces boarded and detained three Ukrainian vessels.
The views, opinions and positions expressed by all iPolitics columnists and contributors are the author's alone. Kitco Metals Inc. and the author of this article do not accept culpability for losses and/ or damages arising from the use of this publication. The author has made every effort to ensure accuracy of information provided; however, neither Kitco Metals Inc. nor the author can guarantee such accuracy.
The deadliest wildfire in California's history has been contained
Crews are sifting through ash and debris looking for human remains while also trying to fix power, telephone and gas utilities. A massive wildfire that killed dozens of people and destroyed thousands of homes in Northern California is finally contained.