Herculez Gomez subbed on in the 74th minute for Santos in a 1-1 draw with Tigres to open their Mexican playoff semifinal series at the Estadio Universitario on Thursday night. Santos Laguna’s Jorge Estrada opened the scoring in the 61st minute, with Lucas Lobos equalizing in the 68th. Playing at home, Tigres had most of the offense, putting seven of their 16 shots on goal to Santos Laguna’s two from three. The series resumes on Sunday. Jonathan Bornstein wasn’t in the squad for Tigres.