ESPN:
The Mariners may need a big effort from Vargas since they will likely be without two key starters.
Second baseman Jose Lopez, who has a team-high 42 RBIs, is in Venezuela indefinitely to be with his seriously ill sister. Left fielder Endy Chavez, meanwhile, was carted off the field in the fifth inning of Friday's 4-3 win with an apparently serious right knee injury after he flipped hard to the turf in a collision with shortstop Yuniesky Betancourt on a pop fly.
"All indications are not good," Seattle manager Don Wakamatsu said.
No research?