Aaron Nola has followed up a terrific 2H of 2017 by posting a 2.44 ERA through 199 IP in 2018. Should he now be considered an "ace"? Plus, Lorenzo Cain, Ender Inciarte, Steven Matz and Amed Rosario.

Ozzie Albies got off to a rip-roaring start, blasting 14 HR by the end of May and finishing the first half with a .275 BA and 17 HR. However, he has just 5 HR in 220 AB in the second half. What happened? Plus, Jack Flaherty, Raisel Iglesias, Adam Frazier, and Carlos Gonzalez.

Paul Goldschmidt finished May with 7 HR and a pitiful .209 BA—a far cry from the .305 BA and 31 HR per season he averaged from 2015-17. What might 2019 have in store? Plus, Trevor Williams, Hunter Renfroe, Clay Buchholz, and Brian Anderson.

Anthony Rizzo has averaged 32 HR per season from 2014-17 while batting .282. However, through 435 AB in 2018, he has a .267 BA with 20 HR. What’s going on here? Plus, German Marquez, Cesar Hernandez, Robert Gsellman, and Joe Panik.

Javier Baez is in the midst of his best season yet. Can he keep it up? Plus, Drew Steckenrider, Nick Ahmed, Kevin Gausman, and Dansby Swanson.

Will we look back on 2018 as the year Joc Pederson finally put it all together?

Patrick Corbin is in the midst of the best season of his career. What's behind the surge in performance? Plus, Gregory Polanco, Corey Knebel, Michael Conforto, and Freddy Galvis.

Cody Bellinger had a tremendous rookie season in 2017, amassing 39 HR, 10 SB and a .267 BA in 480 AB, but things haven’t gone as well for him in 2018. What happened? Plus, Rich Hill, Eduardo Escobar, Chase Anderson and Christian Villanueva.

Buster Posey posted a $20 campaign in 2017, despite a notable dip in HR and RBI totals. His power has waned even further so far in 2018, as he has slugged just 5 HR through 319 AB. What’s going on here? Plus, Joe Musgrove, Travis Jankowski, Jose Quintana and Elias Diaz.

Christian Yelich owns a .292 BA, 11 HR, and 12 SB so far in his first season in Milwaukee. How are his skills holding up? Plus, Asdrubal Cabrera, Jeurys Familia, Yadier Molina, and Kyle Freeland.

Trevor Story has rebounded from a disappointing 2017 with an impressive first half, batting .289 BA, 18 HR and 12 SB. What’s behind the resurgence? Plus, Eric Hosmer, Jesse Winker, Tyler Mahle and Mike Montgomery.