As per the last post, I think he is a decent pickup in deep leagues. In fact, he just got picked up in my 19-teamer this morning. He was very solid last year and the Jays were counting on him to be the #5 starter this season. Things didn't work out and he got some unlucky breaks I think, but now that he's back I see no reason for him not to stick with the big club the rest of the way, especially with Halladay continuing to miss time. The team simply can't continue to throw S. Downs and P. Walker out there two times per every five games.
Don't be fooled by any comparisons to J. Towers, Bush has a much higher upside than Towers. I don't think Towers can ever be any better than what he is right now, which is an average-to-mediocre MLB pitcher. Bush I think can be much better than that. He had to get sent down to Syracuse to work on his mechanics a bit, but hopefully that has been straightened out now. I wouldn't put too much emphasis on his start against the Royals last night, but it's a good start, and there is certainly potential for him to keep it up, based on his performance last year. I think I'd bench him for sure the next few weeks, though, based on the schedule the Jays pitchers have upcoming..