You just made up two narratives here. The Cubs are only trading Samardzija if the return provides more value going forward than Samardzija will. That's why he's still on the team now. Castro, Rizzo and Castillo are currently at the major league level and producing. Samardzija is pitching lights out, Hammel isn't far behind, and Arrieta and Wood are contributing positively, and the pen is actually proving to be an asset right now (once the Veres issue sorted itself out). The outfield isn't performing, even in the platoons (and the best of the bunch is on the shelf for 3 weeks), which really drags down the offense in an annoyingly glaring way despite the success from the infield across the board (including Valbuena and Bonifacio, though Bonifacio is the most likely candidate to regress quickly and has). I'm aware Castro, Rizzo and Castillo are producing, and that's great and certainly a relief after the crap years the former two put up in 2013. But I can only be so thrilled about Shark and Hammel when both will be gone in August if Shark doesn't take a nap at the deadline the Cubs successfully get the ransom they'll ask for, a ransom that will be a maybe to amount to anything. And the 3 young guys are only going to be young for so long. At some point there need to be results, and I do not like betting on unknowns. Rational or not, I've been burned repeatedly hoping for unknowns to turn into knowns for this team and I can't help but wonder if this will burn me too.