Heating up

Baseball’s free agent signing period begins Friday at 11:01 p.m. Twin Cities time. Here’s what you need to know:

Twins free agents: Torii Hunter (retired), Mike Pelfrey, Brian Duensing, Neal Cotts and Blaine Boyer.

Twins needs: Bullpen and catching

Keep an eye on: Former Twin A.J. Pierzynski fulfills team’s wish as a catcher to share time with Kurt Suzuki.