Tanaka seems like an interesting player ( thanks for the article link and scouting report), but I'm not sure what kind of contract he'll command and the new sox front office are already leery of giving proving major league players long term and big contracts. I'd be surprised if the sox are willing to pay what he will go for, especially with the urgency the Angels have to become relevant again and the horrible starting staff they have.
As for Jose Fernandez, why not do that? He crushed that pitch and it was his first career home run. He hit .220 this year and the batters against him are hitting .180, that's amazing. I never understood why pitchers are so sensitive about a guy tossing a bat or watching his homer a little. Pitchers are generally successful 65-75% of the time and batters obviously are successful much less. If you don't want him to do that, don't put it right down the middle of the plate. It's not like its a beer league, and Fernandez's team should be playing two levels above because they are winning every game by 20, they are all professionals. If you are a pitcher, get a new ball regroup and try and get the next guy out.