The Giants signed 17-year-old top shortstop prospect Luis Hernandez in January and immediately put him on the fast track through their minor league system.Through four Arizona Complex League games, that looks like a smart decision.Hernandez, who received a $5 million signing bonus from the Giants, skipped the Dominican Summer League, the usual first stop for international signees, and went straight to the ACL.In four ACL games, Hernandez is showing why the Giants coveted him, crushing three homers and driving in nine runs.Hernandez’s first homer came in his professional debut, as he hit a game-tying ninth-inning grand slam on Saturday as part of a five-RBI day. Luis Hernandez hit a GRAND SLAM for his first professional hit this week #SFGiants pic.twitter.com/0BqxXIaJo3 — Milb Central (@milb_central) May 4, 2026 Three days later, Hernandez connected for his second ACL homer. Luis Hernandez hit his second Home run of the season last night video via his Instagram pic.twitter.com/bAE2IGXHWi — ptkirk (@porkblds) May 6, 2026 And his biggest performance thus far came on Thursday night when he went 3-for-5 with another...