I'm retired and injured, so I have time for this:
Here is my list of ex-Twins who have played in the major leagues so far this year. This only includes players who actually played in a regular season major league game for the Twins, so no Wells, Baddoo, Steer etc.
Eddie Rosario--Atlanta, Michael Tonkin--Atlanta, Ehire Adrianza--Atlanta, Kyle Gibson--Baltimore, Yennier Cano--Baltimore, Danny Coulombe--Baltimore, Rob Refsnyder--Boston, Zack Littell--Boston & Tampa Bay, Michael Fulmer--Chicago Cubs, Derek Law--Cincinnati, Ian Gibault--Cincinnati, Alan Businitz--Cincinnati, Billy Hamilton--Chicago White Sox, Lance Lynn--Chicago White Sox, Alex Colome--Chicago White Sox, CJ Cron--Colorado, Jonathan Schoop--Detroit, Ryan Pressly--Houston, Gio Urshela--Los Angeles Angels, Bruster Graterol--Los Angeles Dodgers, Luis Arraez--Miami, Deven Smeltzer--Miami, JT Chargois--Miami, Chi Chi Gonzalez--Miami, John Curtiss--New York Mets, Eduardo Escobar--New York Mets, Aaron Hicks--New York Yankees, Josh Donaldson--New York Yankees, Ian Hamilton--New York Yankees, Brent Rooker--Oakland, Trevor May--Oakland, Jake Cave--Philadelphia, Rich Hill--Pittsburgh, Chase De Jong--Pittsburgh, Nelson Cruz--San Diego, LaMonte Wade--San Francisco, Taylor Rogers--San Francisco, Tommy Milone--Seattle, Jose Berrios--Toronto, Taylor Motter--Saint Louis, Robbie Grossman--Texas, Sandy Leon--Texas, Mitch Garver--Texas, Idemaro Vargas--Washington.
44 players, including 23 pitchers. After today's Twins game is over, I'll probably comment on the guys who have blossomed and surprised.