The Minnesota Twins have added six prospects to their 40-man major league roster, including third baseman Danny Valencia and right-handed pitcher Deolis Guerra (day-oh-LEECE’ GAIR’-uh).

Friday was the deadline for filling out the 40-man roster, for the purpose of protecting prospects in the "Rule 5" draft next month at the winter meetings. Infielder Estarlin De Los Santos and right-handers Alex Burnett, Loek Van Mil and Rob Delany were also added.

The 25-year-old Valencia finished at Triple-A Rochester last season, batting .286 with seven homers and 41 RBIs in 71 games. He is soon expected to have a chance to be the Twins’ third baseman, whether in 2010 or 2011.

Guerra came in the Johan Santana trade with the New York Mets. He finished last year at Double-A New Britain.