Who’s buying? fWAR: 0.8 bWAR: 0.5 WARP: 0.3 He should stay The former Gold Glove finalist (remember that?) was having a breakout season, posting good defensive numbers behind an eye-popping 125 wRC+ and briefly supplanted the struggling Josh Harrison at second base before a collision with Agent Of Chaos Adam Haseley sent him to the IL, never to return. Mendick is one of the few players on the team who can has been a relatively-reliable defender at skill positions. He still has two minor league options, so he’s cheap, versatile, and can be shuffled on and off the 26-man without…