Munoz had an MRI and bone scan on his back come back clean, but he received an injection Tuesday to address the lingering soreness, Ryan Divish of The Seattle Times reports.
Mariners general manager Justin Hollander said Wednesday that the MRI on Woo's arm "was perfectly clean," and the right-hander could be reinserted into the rotation as early as next week, Daniel Kramer of MLB.com reports.
Astros manager Joe Espada expects Diaz (finger) to be available to return to the lineup for Friday's game against the Tigers, Brian McTaggart of MLB.com reports.
The Astros announced Wednesday that Tucker (shin) isn't expected to be ready to return from the 10-day injured list Friday, Brian McTaggart of MLB.com reports.
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