Will Smith's recent struggles have muddled the ninth inning in TEX, but there's an obvious replacement candidate. We look at the surging Mariners bullpen, HOU's depleted farm system, and more.

We have a full day of action today, so check out the Daily Matchups to find out who to start or sit.

Bryan Woo returns to the Mariners' rotation, but how many innings does he have left? Plus updates on how the roster adds of Noda, N. Marte, Parker Meadows and others affect their team's playing time distribution.

Gabriel Moreno is officially the catcher of the future in ARI. Plus, some major prospects moving up in the organization in SD, checking in on Miguel Vargas in LA, a battle for future playing time in the SF OF, and an intriguing OF prospect in COL.

CHARMED SNAKE: Gallen has worked around some loud contact of late.

Had he not arrived ahead of schedule, TAM's Jonathan Aranda might have been a September call-up. But what chances do he and others have of carving a significant role? Others covered: Hall and Kjerstad in BAL, Rafaela and Walter in BOS, Pereira in NYY, Barger in TOR.

Aaron Nola is the top rated starting pitcher for his home start versus the Giants.

Though it's been trending that way, the signing of Carson Kelly and release of Eric Haase means Jake Rogers will continue to see the bulk of the catching duties in Detroit.

Injuries have changed or are set to change the landscape of each team in the NL Central. We look at both the short-term and long-term implications of these changes.

We have Frelick, B. Crawford, Maikel Garcia, Stripling, Hancock, and a Fraley update. Saturday: Some big ouchies, including Nootbaar, Gorman, Vientos, Tom Murphy, Stroman, and a Bleday update. Wednesday: Thought injuries would slow in August? Think again. We have Bleday, Margot, Willson, W. Castro, Albies, and Matz. Plus, updates on Trout, Lodolo, H. Greene, and Bryant.

We're deep into the dog days of August; here's a look at this week's two-steps....