When Cole Hamels and Jake Diekman were traded for six players, very few anticipated that the Phillies would get any pieces that could contribute immediately, yet alone match the production of the center piece of the deal, Hamels. Yet, with the usual disclaimer for small sample sizes, etc., the Phillies acquired a player that has nearly been as valuable for them as Hamels has been for the Rangers.
Here is the obligatory blind taste test for demonstration purposes:
Player A: Seven starts, 44 IP, 2-3 record, 7.