In the second half, Shanghai launched aggressive attack to pull one back, but their efforts turned out to be fruitless.
Mena struck in the 41st and 51st minutes at Estadio Victoria as the visitors secured their fifth win from eight matches.
Leon are now a point clear of second-placed Cruz Azul, who will have the chance to regain top spot when they visit Atlas on Saturday.
Klein called safeguarding the club's financial pattern more important than ever for the future of football.
Things nearly got a lot worse for Zall before going off at half-time, when the ever-lively Zhang broke free once again, but this time his shot was well saved by the goalpost.
With the running calendar slowly resuming amid global COVID-19 setbacks, WA's anti-doping watchdog Athletics Integrity Unit (AIU) is stepping up measures to increase testing of athletes with Kenya, a long distance running powerhouse key in their testing program.
Five hundred canoeing-lovers, led by famous athletes and representatives from all walks of life, set off from the Qiantang River in Hangzhou, and carried the relay through the waters of Qiandao Lake, the Xin'an River and Fuchun River in several counties of the city. In each part, 19 people played the role of leading navigator, symbolizing the 19th Asian Games.
However, seven of the players tested positive for COVID-19 a few days after their arrival in camp.
Vinicius has so far promised more than he has delivered in terms of assists and goals, and Rodrygo overtook him in the pecking order last season, but with Marco Asensio returning from a knee injury and Eden Hazard looking to find full fitness, there is no shortage of wide attacking threat.
“I learned a lot from this round. I have to work more on putts, especially putting under the gun. I feel I played great for the first 14 holes, now I feel a little disappointed. The trophy slipped away from my hands.”
HANGZHOU, China, Sept. 4 (Xinhua) -- Having been training behind closed doors for half a year, Rio 200m individual medley bronze medalist Wang Shun is itching to return to competition, with his eyes set on this month's National Championships.