The Sal Frelick spring infield experiment is on. Plus, rotation options for PIT and CHC; catching in STL; and, crowded infield corners in CIN.

Kyle Bradish emerged out of relative obscurity to key the BAL rotation in 2023. Is his performance sustainable? Plus, looks at Reid Detmers, Riley Greene, Isaac Paredes, Chas McCormick.

Masyn Winn got a short opportunity in 2023; will he spend all of 2024 in the majors? Plus the options at 1B in MIL, the CA in PIT, 3B in CHC, and sorting through the SP options in CIN.

Alec Burleson could be STL's Opening Day left fielder. Plus, more from the NL Central.

Can SD afford to retain Blake Snell this offseason given the other projected holes in their pitching staff? Plus, significant rotation questions in LA and ARI, some interesting corner infielders will battle for a role in 2024 in COL, and SF will have a lot of roster flexibility this offseason.

Masyn Winn has had a rocky start; will it affect his role in 2024? Plus, what to make of Hunter Greene and Nick Lodolo in 2024, a pitching prospect taking advantage of his opportunity for CHC, does Johan Oviedo have a long-term role in PIT, and the MIL infield will have a lot of question marks this offseason.

We should project a significant shift in playing time at third base in both ARI and SF in 2024. Plus, the SD and LA pitching staffs will both have a lot of questions in 2024, and has a viable pitcher emerged in COL?

We should see a lot of Jackson Chourio in MIL next season. Plus, the early first base outlooks in CIN and CHC; Jack Suwinski's future in PIT; and Dylan Carlson's future in STL.

Brandon Crawford's long run in SF appears to be coming to a close, but the team has a clear successor. Plus, finding defensive homes for injured stars in LA and COL, Gary Sanchez's big-league future after a successful season with SD, and a pair of young pitchers seem to have finally emerged in ARI.

The NL Central is packed with young pitching prospects to watch across the final month of the season and into the offseason. Plus, the CHC outfield has been remarkably stable in 2023, but there is one big piece that could change in 2024.

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.