Duffy's breakout suggests he could be a bargain

MLB Tonight takes a look at why the Royals awarded left-handed starter Danny Duffy with a five-year contract extensionFor years, the Royals had been waiting on Danny Duffy. They waited more than nine years since they selected him in the third round of the 2007 Draft, through a brief retirement in 2010, Tommy John surgery in 2012, and a career 3.80 ERA with only 352 strikeouts in 443 1/3 innings in parts of five up-and-down seasons entering 2016. They waited six weeks into the '16 season to put him back in the rotation from the bullpen, and then only after Chris Young and Kris Medlen got injured.

By agreeing to a five-year extension worth $65 million (per MLB.com sources), as they did over…