Coach Albie Crosby said the injury didn't appear to be serious, and he expected Williams, who has fielded offers from many major colleges, to be fine after some rest.
Springside Chestnut Hill (0-4 overall) led 7-0 in the first quarter on a Bobby Keyes 66-yard touchdown run.
That's when the Young show began.
He tied it on a 63-yard touchdown run in the first quarter and gave the Panthers the lead on a 50-yard dash in the third quarter.
The Panthers (4-0) broke it open with two more touchdowns in the quarter. Shahyodd Chavis scored on a run and Deandre Scott returned an interception 26 yards.
Helped by a generous defense that scored two first-quarter touchdowns, Prep Charter cruised to a 45-0 win at Roxborough. Ronald Stokes and Anthony Wyche each scored on fumble recoveries as the Huskies (3-1, 3-0) built a 39-0 lead at the half.
Quarterback Bion Dolo threw for 108 yards and two touchdowns, including one to Wyche. Dolo also ran for a score. Asa Manley caught a 60-yard touchdown pass and ran for another.
On the final play of the game, Jay Harris brought down a pass in the end zone among two defenders as Downingtown West completed a late-minute drive Friday to rally past host Coatesville, 35-34.
The Whippets (3-1, 1-0) trailed by six points when they gained possession from their own 30-yard line with 2:48 left and just one timeout left. Quarterback Kyle Lauletta navigated the game-winning drive, capped off when he stepped back in the pocket and bought time for Harris to find room in the end zone.
Harris finished with 118 yards on 12 catches and Lauletta completed 25 of his 35 passes for 320 yards and three touchdowns. He also rushed for a pair of touchdowns.
Bishop Shanahan 57, Avon Grove 14 - Jack Oates caught an 85-yard touchdown pass from Justin Cook in the first quarter, one of three times the pair hooked up on scoring plays. Cook completed 5 of 6 passes for 171 yards, with 131 of those going to Oates. Sophomore Pat Corcoran carried 18 times for 184 yards and a pair of touchdowns.
Suburban One American
Down seven points in the fourth quarter, Norristown rallied for a 27-20 win over visiting Upper Merion. Darius Wills' second touchdown run of the game put the Eagles (1-3, 1-0) ahead. He had a 60-yard scoring run in the first half.
Michael Grant caught a 55-yard touchdown pass from Carmen Fortino for Upper Merion (0-4, 0-1).
Devin Bradley accounted for three touchdowns as Methacton won its first game of the season, 35-13, over Pope John Paul II.
Adam Strouss threw three touchdown passes and ran for another in Episcopal Academy's 42-7 win at Hill School.
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