CONCORD -- Bob Ladouceur stood on the edge of the sideline at Owen Owens Field, glanced over his shoulder and spotted an acquaintance. He took off his headset, extended his hand and shared a word with the man for about 10 seconds.

The scoreboard showed 8 minutes, 26 seconds remaining in the first quarter, and De La Salle High quarterback Chris Williams was breaking the huddle. And still, the conversation continued, until finally, Ladouceur nodded, put the headset back on and resumed the game.

The newest assistant coach on the Bay Area's most dominant high school football team really did look more relaxed for parts of the Spartans' 34-14 win over Clayton Valley Charter High on Friday

Only for small parts.

"You know something," he said, looking more relaxed (seriously), when the first victory of the Justin Alumbaugh-era was in the books, courtesy 184 rushing yards and three touchdowns from John Velasco, "I worked harder tonight than I think I ever have. I was trying to keep an eye on our defense a bit, and I was looking at our safeties at times, and trying to see what was happening with our running backs at times."

Officially, Ladouceur is responsible for only the offensive and defensive lines this season. In case you missed it, the man who guided the Spartans to 399 victories, a record 151 of them in a row, handed over the command of his dynasty to Alumbaugh in January.

So on Friday, for the first time since 1978, Ladouceur was not the one in the center of the huddle addressing his team during timeouts. Instead, he lingered on the outside, often far away from the players and other coaches. In all, he was mostly inconspicuous except when he was seeing things he didn't like.

Those instances were more frequent as the game progressed. Ladouceur and Alumbaugh conversed often, and Ladouceur twice stood several yards from the sideline, well in front of Alumbaugh, to make sure players were understanding instructions.

"We basically switched off our usual roles," Ladouceur said of Alumbaugh. "In the past, we've talked often during games, and he's helped me with offensive play calling and some other things, and tonight I bounced things off him. I'll tell you though, I'm a lot more tired this time."

Alumbaugh, an assistant coach under Ladouceur for more than a decade, and before that a captain on the 1997 team that broke the national high school record for consecutive wins with the program's 72nd, took command of the timeouts Friday. He also was the first coach on the field when the Spartans entered the field before the game and at halftime.

But he, too, said that his first game in charge hardly seemed different.

"We talked the entire game," he said. "We talked all day before the game. We talked every series. And we're going to talk in about five minutes."

So it goes in a program that has been defined by stability, one that despite a landmark change seems as stable as ever.

"It's a lot like it's always been," Ladouceur said. "It's just a bit different, that's all."

Contact Rick Hurd at 925-945-4789 and follow him at Twitter.com/3rdERH.