CHELSEA – With 17 seconds left in the first half against Chelsea, the Saugus offense could have taken a knee at its own 13-yard line and gone into halftime with a 14-0 lead.The Sachem defense had just stopped Chelsea in its own red zone by forcing a turnover on downs, a feat Saugus had already accomplished twice before in the game.Instead, coach Mike Broderick called a fullback dive to the right, and junior running back Shamir Guillaume broke for what would prove to be the most crucial play in the contest.Guillaume, helped by a key block on the right edge of the line by tackle Paul Ducette, found daylight and sprinted 87 yards for a touchdown, giving Saugus a commanding 21-0 lead. The game ended in a 35-6 victory for Saugus, the second straight win for the Sachems on Thanksgiving over Chelsea. (they won 49-14 last year).On the opposing sideline, Chelsea coach Mike Stellato said his team had prepared all week to stop the dive play, as well as Saugus’ pitch play to the outside, but the Red Devils were unable to contain the Sachem offense-with Guillaume’s run before halftime being particularly costly.”We had our assignments, the dive and the pitch, but we didn’t do a great job of stopping that,” Stellato said. “That play was a huge killer.”That run was Guillaume’s longest carry in a nine-rush, 192-yard day that helped Saugus to a 35-6 victory.Guillaume said the victory ended the season for him on a positive note.”It felt good to go out hard,” he said.Late in the season, Guillaume emerged as a complement to seniors Bret Reid and Mike Dean, finishing with 10 touchdowns on the season. Dean led the team with 14, while Reid had 13.After starting the season strong with a touchdown in Saugus’ second game against St. Mary’s and two more the following week against Lynnfield, Guillaume fell out of the scoring loop for a while, going two games without reaching the end zone.Late in the year, though, Guillaume came on strong. He scored a touchdown in losses to Beverly, Swampscott and Danvers in three consecutive weeks before exploding for 157 yards and two touchdowns in Saugus’ final Northeastern Conference South game against Marblehead on Nov. 15. Guillaume broke loose for an 86-yard touchdown in that game, his longest score of the season before the 87-yarder against Chelsea.Broderick said the emergence of Guillaume also allowed the Sachems to move Dean to the outside of their triple-option formation, with Guillaume lining up in the fullback position.”We moved Dean to the wing, and Shamir is so big,” Broderick said. “It opened up some reads for Reid, and also Dean on the perimeter.”The fact the Sachems had Dean and Reid in their backfield certainly opened up some bigger holes for Guillaume, Broderick said. Dean rushed for over 1,100 yards this season, with Reid adding another 600.With 19 seniors, including Dean and Reid, graduating , Guillaume said he is ready to step in next year and assume a bigger role in the offense if need be.Broderick said it was just a matter of gaining experience that Guillaume needed to get to the level he’s performing at now.”He always had the potential, he was just young,” Broderick said. “Now he has another year under his belt and he’s focused on football.”Broderick said that with the strides Guillaume made this year, it’s likely he will be the featured back next season.”His approach is much more mature (than in previous years),” Broderick said of Guillaume. “If he keeps focused, he can be a beast.”