Luis Castillo has plenty to be smiling about, as he has emerged as a potential top-of-rotation arm for the Reds. Plus, a look around the division at where every other NL Central rotation stands entering the offseason.

Eugenio Suarez’s improvements this season leave the Reds with a good problem to have at third base as Nick Senzel approaches major league readiness. Plus, 2018-themed looks at CHC’s internal closing options, MIL’s infield bats, Jordan Luplow’s prospects in PIT, and potential STL lineup changes.

Trevor Rosenthal’s injury means closer turnover in St. Louis and we review the current relief options at manager Mike Matheny’s disposal. Plus, a look at potential offseason lineup changes in CHC, CIN, MIL, and PIT.

A possible shutdown of Luis Castillo could spell opportunity in CIN. Also, Heyward’s struggles could spell decreased playing time once Russell returns to CHC, a look at 2B in MIL, a review of PIT’s bullpen, and a review of the STL outfield.

Sean Rodriguez reunited with the Pirates and figures to be a key reserve for them for the rest of the season and 2018. Also: Happ sees reduced opportunities in CHC and a look ahead at starting rotations in CIN, MIL, and STL.

Keon Broxton may be running out of time in MIL to prove he’s their best option in CF as prospects Brett Phillips and Lewis Brinson rake in Triple-A. Plus, rotation depth in CHC, Glasnow taking a step forward in the minors, and a look at the bullpens in STL and CIN.

Eric Sogard and Jonathan Villar are vying for time at the keystone over the final two months of the season in MIL. Also, a look at CHC's bullpen, PIT and CIN's infield depth, and STL's soon-to-be-crowded outfield.

Aledmys Diaz hasn’t hit since his demotion to Triple-A and is currently injured, allowing Paul DeJong to continue to see time at shortstop for STL. Also, a look at alternate LF options in CHC, the ever-changing CIN rotation, and the bullpens in MIL and PIT.

The struggles of Zach Davies and Junior Guerra could make for a shake-up of the MIL rotation. Also, a look at how CHC will deal with their rotation glut; Triple-A hitters in CIN who may be a trade or injury away; a look at back-end rotation options in PIT, and a potential path for Luke Weaver in STL.

Starling Marte is returning soon PIT, what is the likely fallout in the Pirates’ lineup? Also, a look at CHC hitters in Triple-A, the CIN rotation, a banged-up Ryan Braun in MIL, and closer intrigue in STL.

Second base could be up for grabs soon in MIL—who might be able to lock down the job for the rest of the season? Plus, rotation shuffles in CHC, CIN's bullpen, infield backups in PIT, and an upcoming OF logjam in STL.