The SF Giants surprised many by protecting several lesser-known prospects from the Rule 5 Draft. Wrenzie Regodon explains why Jose Cruz was on the list. A few days ago, the SF Giants added six prospects to the 40-man roster to protect them from being selected in the Rule 5 Draft. There were a couple of no-brainer decisions, like adding top prospects Marco Luciano and Luis Matos. There were also older prospects like Keaton Winn and Tristan Beck, who have had success in the upper minors and seem close to reaching the majors. One prospect, on the other hand, fit neither…