Buenos Aires, Sept. 17 -- Adrian Martinez scored in the second half as Racing edged to a 1-0 away win over 10-man Velez Sarsfield in the first leg of their all-Argentine Copa Libertadores quarterfinal..
The hosts suffered a blow just before halftime when Lisandro Magallan was dismissed for a second yellow card after a clumsy challenge on Juan Nardoni on Tuesday.
Martinez broke the deadlock in the 53rd minute by side-footing home from inside the six-yard box after Facundo Mura's cross from the right flank.
Racing needs only a draw in next Tuesday's return leg at home to advance to the semifinals of South American football's premier club competition.
"The manager [Gustavo Costas] told us to be calm and that our chances would come," Martin...