The team is loading up on relievers after right-hander Max Scherzer was scratched from his scheduled start Tuesday due to soreness in his left hamstring. His start has been pushed to Sunday and left-hander Duane Below will make the start in his place Tuesday.
"The decision was made today when we talked to (Tigers head athletic trainer) Kevin Rand that (Scherzer) is just not quite there," Dombrowski said. "Just afraid that if he pushed it, it'd be too big of a risk at this time."
Despite an 0-2 record, Downs, has been solid in Triple-A Toledo this season. He has a 2.22 ERA in 24 appearance and has given up 25 hits and eight walks. Ortega, meanwhile, has a 4.23 ERA and 48 strikeouts in 38.1 innings.
Marte was knocked around Monday, giving up one hit and four walks in just 1.2 innings. He has allowed 16 hits and seven walks in 17 innings with Detroit. Worth, who hadn't had a plate appearance since June 15, was hitting .182 in 55 at-bats for Detroit.