Giants gladly welcoming ‘strong’ vibe from a hopeful long-term investment in Sisi Mauigoa

What do the Giants need out of Sisi Mauigoa? Step into a time machine and move ahead two years. Mauigoa is engaged in his third training camp with the Giants and the talk swirling around him focuses on one detail about his encouraging NFL career: When is he getting a contract extension? If the answer to that is more “as soon as possible” as opposed to “when he proves he deserves it” the Giants will be in business with a player they envision being a full-decade starter. If this proceeds as planned, there will be no concern about the position of right guard for as long as the 63-year-old John Harbaugh presides as the head coach. With Mauigoa, the vibe is one of belonging. He looks the part, acts the part and, thus far, nearing the end of his first professional summer camp, Mauigoa fits snugl