Though there may be moves yet to happen, you can view the updated Spring Training Roster here.
Some comparisons between last year's spring training roster and this year's:
Pitchers - Last year the Twins brought in 33 pitchers, this year the number is currently at 34.
Catchers - A year ago there were eight catchers officially invited and one added in the weeks leading up to spring training. This year the Twins have five on their 40-man and have invited four