Minnesota Hockey: Casey Mittelstadt and Ryan Lindgren Lead US Junior National Team into World Championships - The Daily Gopher
Analyzing Olofsson and Mittelstadt's Recent Production
Nation Network 2017 Prospect Profile: #7 – Casey Mittelstadt - CanucksArmy
On the long road to the NHL, Minnesota's Casey Mittelstadt stands out - The Athletic
Mittelstadt signs with NHL's Buffalo Sabres, Eden Prairie Sports
Casey Mittelstadt - Wikipedia
Casey Mittelstadt of Eden Prairie chosen as Mr. Hockey
Sabres re-sign Casey Mittelstadt to 3-year, $7.5 million contract - NBC Sports
LOOK: Top NHL prospect Casey Mittelstadt can't do a single pull-up