It started last year with Alec Asher and Jerad Eickhoff. But Saturday, the first of the three marquee names in the 2015 Cole Hamels’ trade makes his big league debut with the Phillies. Jake Thompson came to the club last July with other top-flight prospects Nick Williams and Jorge Alfaro, injured MLB starter Matt Harrison, and Asher and Eickhoff, in exchange for Hamels and lefty reliever Jake Diekman.