Mexico Clausura Review
Tigres and Santos Laguna all square
May 11, 2012
Jorge Estrada opened the scoring for the visitors after 62 minutes, only for Lucas Lobos to equalise seven minutes later for the defending champions.
The second leg of the second semi-final will take place on Saturday night.
Club America and Monterrey drew 0-0 in the first leg of the first semi-final on Wednesday.