The Chicago Cubs have a legitimate Championship offense, and their bullpen has begun to take shape, even though they will most likely need another arm or two before its said and done. But everybody can see they need help in the rotation and could be poised to make a big splash at or before the trading deadline, depending on when other team decide to throw in the white towel on their entire season. One of those teams is the Arizona Diamondbacks, and one has to wonder what kind of blockbuster trade the Cubs might be thinking of pulling off here.