Here's my thought on Happ. What are the odds that he's much better than he was last year? He could improve his K rate a bit and hit for a higher average, but I think the 2-3 win production you get from him is as good as it gets. That's plenty valuable and shouldn't be given away, but this offense is filled with guys who are showing similar floors while having higher ceilings. Russell has already had a 4 win season. Schwarber continuing his career offense(excluding pre-demotion 2017) and defense is a near 4 win LF. Almora's second half at the plate with his known defensive capabilities is a 3+ win hitter. That possibility exists for Happ, but I think the odds of him regressing and having those contact issues catch up to him outweigh that possibility. Happ's positional flexibility is great too, but it means a bit less when you have someone like Heyward capable of sliding to CF and multi-position guys like Zobrist and Baez around(plus Russell anchoring SS so those guys can roam). In other words, I'm perfectly fine with Happ and would hand him a starting spot in a second if one were available, but the other options present higher ceilings and similar floors with a bit less risk, so I think dealing him now is maximizing his value.