There is no way this trade should even be considered. A CI who scored 2300+ points for a RP who scored 573 in 2015? Come on---really? A RP can easily be gained during free agency, a CI like Beltre cannot.
The Phillies would be happy if he scored 10 ppg? He scored 16.23 ppg last season and played in 143 games. Diekman appeared in 67 games and scored 8.55 ppg.
:veto: