Brady Singer to make big-league debut Saturday for Royals
Drafting a Future Starting Rotation, Featuring the Kansas City Royals – Prospects 365
Adversity is Nothing New To Royals Starting Pitcher Danny Duffy - Sports Illustrated Kansas City Royals News, Analysis and More
The 15 numbers that define the 15 Royals pitchers' seasons - The Athletic
Danny_Duffy
Grading the 2021 KC Royals, Part 4: Starting pitchers
Royals 3, Indians 0: Duffy, bullpen shut down Indians
Royals rotation slims with Duffy, Singer placed on IL, Royals
Danny Duffy (flexor strain) lands on the 10-day IL - Danny Duffy News
Duffy pitches Royals to 3-0 win over Indians
Duffy pitches Royals to 3-0 win over Indians - The San Diego Union-Tribune
Danny Duffy, Brady Singer placed on injured list
Grossman, Tigers recover to hand Royals 9th straight loss