Which MLB Teams Haven't Done Enough This Winter?

The offseason is technically almost over, yet many quality free agents remain unsigned and many teams still have holes to fill. Surveying the landscape of all 30 teams, Sports Illustrated's MLB experts weigh in on one team that just hasn't done enough to get better this winter. (No, they couldn't pick 27 teams. Just one.)

Tom Verducci

The A’s do a great job of roster-building on the cheap, but this is a whole new level of difficulty. Oakland had 10 free agents. They have signed none. They did not extend a qualifying offer to shortstop Marcus Semien, then were a nonplayer when Semien signed a one-year deal with Toronto for under-QO money. They did recently trade for longtime Rangers shortstop…