Atletico Mineiro, who are managed by former Argentina and Chile boss Jorge Sampaoli, now have 21 points from 10 matches, one point ahead of second-placed Internacional, who have a game in hand.
After a goalless 90 minutes, the visitors were close to victory in extra-time when their Slovenian striker Zan Medved scored with a beautiful header after a long center-pass with only nine minutes left.
Just three minutes into the second half, Hamdallah doubled his team's lead and his own tally after tapping in a rebound that fell to him just outside the six yard box, after a magnificent solo run down the right by Khalid Al-Ghannam ended with his initial shot being deflected into the Moroccan's path.
Lawson joined the CBA in 2017 to play for Shandong Heroes, and then transferred to Fujian Sturgeons in 2019. Enditem
The 29-year-old, who helped Bayern to the treble last season, arrived in Liverpool on Friday morning to complete his medical and put pen to paper.
Li Jialun of Heilongjiang competes during the Men's High Jump Final on Day 2 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 16, 2020. (Xinhua/Wang Lili)
Liverpool visit Chelsea on Sunday after starting the new Premier League season with a 4-3 victory over newly-promoted Leeds United last Saturday. Enditem
The 33-year-old Serb now faces a semifinal against Casper Ruud of Norway, who beat fourth seed Matteo Berrettini of Italy 4-6, 6-3, 7-6 (5).
In the southern Brazilian city of Porto Alegre, Gabriel Boschilia scored in second-half stoppage time to hand Internacional a 4-3 home win over Colombia's America de Cali.
Stoppila Sunzu (R) of Shijiazhuang Ever Bright competes during the 11th round match between Tianjin Teda and Shijiazhuang Ever Bright at the postponed 2020 season Chinese Football Association Super League (CSL) Suzhou Division in Suzhou, east China's Jiangsu Province, Sept. 16, 2020. (Xinhua/Li Bo)
Feng Bin of Shandong competes during the Women's Discus Throw Final on Day 4 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 18, 2020. (Xinhua/Wang Lili)