Nola and Arrieta haven't experienced a loss in velocity, but are struggling with consistent command, which may be a sign of a decline in arm strength, or just something to be fixed with a mechanical tweak.
Eickhoff seemed to be pitching like a guy who didn't pitch for a year, he has better stuff with the addition of a slider/cutter, but he was getting too many breaking balls up in the zone, he needs that curve to break below the knees. But that may turn around with innings pitched, like his last start.
No idea if PIvetta is for real, he's looked great since he returned, he always had the raw stuff, maybe the light went on?
Efflin is fine and getting better, first he fixed his knees, now he's learning how to pitch.
Most pitchers tend to be up and down, the hot guy you trade for may regress to his career "norm."
This team is 9 games over, despite Harper's inconsistency, Rhys in a month long slump, injuries to Cutch, Quinn and most of the bullpen. While they won't get Cutch back, Bruce is a capable fill-in, a chunk of the bullpen should be back by July, and Quinn/Haseley are "the future is now" in CF.
I'd just go with what they have, if they come up short, a lot of young guys will have pennant race experience going into next season where they lose no one of consequence and may add some youth.
