Mark Melancon and Trevor Rosenthal continue to close out games successfully, but their skills are lacking. While their track records and low ERAs will give them each a pretty long leash, could their setup men eventually provide more than strong ratios?

Jhonny Peralta has begun his rehab assignment, and he'll reportedly play third base in addition to shortstop. What kind of implications could that have once he returns?

Jonathan Lucroy fell short of expectations during an injury-plagued 2015 season, but has bounced back so far this season. Will he keep it up? Plus, Matt Kemp, Addison Russell, Matt Wisler, and Dan Straily.

Jameson Taillon has shown no signs of rust in his first game action since 2013, while teammate Tyler Glasnow has been mowing down Triple-A batters. How long until we see one or both of them in the bigs?

Ben Zobrist is thriving in his first season with the Cubs, helping fuel their incredible start. Can he keep it up? Plus, Zack Cozart, Curtis Granderson, Gio Gonzalez, and Mike Leake.

Scooter Gennett is expected to be activated from the disabled list within the next week. Could Aaron Hill's job soon be at risk?

Adam Wainwright has looked like a shell of his former self through his first six starts. Should owners count on him righting the ship quickly? Plus, Vince Velasquez, Neil Walker, Jayson Werth, and Mark Reynolds.

Homer Bailey, John Lamb, and Anthony DeSclafani are all currently on a rehab assignment, and will soon add some respectability to the current patchwork rotation. Plus, Aledmys Diaz continues to rake, and more from around the Central division.

Dee Gordon has been one of the fastest players in the game since arriving in the league, and he's made impressive gains at the plate, including winning the batting title in 2015. Can he be expected to continue at that level? Plus, Matt Carpenter, Jeff Francoeur, Jonathan Papelbon, and Wily Peralta.

The Reds' bullpen has been quite a mess so far in 2016. Are the roles going to become any clearer in the near future? Plus, an update on Pittsburgh's top pitching prospects, and more from around the Central.

Odubel Herrera quickly emerged as a multi-category contributor in 2015. Is that level of performance sustainable? Plus, Jordy Mercer, Martin Prado, Santiago Casilla, and Jorge de la Rosa.