Glen Perkins, LHP: Enters his third full season as closer.
Casey Fien, RHP: Has made 146 appearances over past two seasons.
Brian Duensing, LHP: ERA has dropped in each of the past three seasons.
Tim Stauffer, RHP: Will get a look as starter, but more effective out of bullpen.
In the running
Caleb Thielbar, LHP: Opponents hit .280 off him last season after .154 in 2013.
Ryan Pressly, RHP: Late cut from camp last year, impressed when promoted in July.
Michael Tonkin, RHP: Has the stuff to dominate, needs to put it together.
J.R. Graham, RHP: Twins have kept a Rule 5 pick before (see Pressly, Ryan).
Blaine Boyer, RHP: Held righthanded hitters to a .178 average in 2014 with San Diego.
Lester Oliveros, RHP: Has the velocity but needs more than that.
Stephen Pryor, RHP: Should make his Twins debut sometime in 2015.
Aaron Thompson, RHP: Wasn’t shabby after September call-up.
A.J. Achter, RHP: Made his major league debut last season.
Mark Hamburger, RHP: At age 28, time is running out for the St. Paul native.
Ryan O’Rourke, LHP: Bulldog mentality, but not yet his time.
Adrian Salcedo, RHP: Hasn’t pitched above Class AA yet.
Mike Pelfrey: RHP: Veteran starter is open to relieving if needed.
Alex Meyer, RHP: Blazing fastball, but can the Twins’ top pitching prospect pitch three or four times a week?
la velle e. neal iii