Looking at your roster I think I'd do it. You lack power in a big way. Peña will kill your AVG, but you should have enough good/solid AVG guys in your lineup to where it won't hurt you much. He has a legit shot at 30 HR and around 100 RBI. Worth burning your priority for, IMO.
Edit: didn't pay attention to your scoring categories before posting but just took another look. I'd definitely do it. Like I said, he'll hurt you in AVG and Ks but, besides his HR and RBI, he draws a lot of BB so he'll help there and also in OPS.
Thoughts on mine?viewtopic.php?t=426056