CORAOPOLIS — It's getting hard to tell what's getting better as the season progresses: the Mars offense or its defense.

The Planets scored on their first seven possessions in the first half and rolled to a 49-14 Tri-County North victory over Cornell at Frank Litteri Stadium Friday.

The halftime statistics alone were eye-popping: 17 first downs, 360 yards rushing and 400 total yards.

In racing to a 22-0 first-quarter lead, Mars (4-1, 3-1) ran 16 offensive plays to the Raiders' nine and had a 191-3 advantage in total yards.

Billy Bair ran for 209 yards on 15 carries — his third consecutive 200-yard game — and scored four touchdowns. He's rushed for 1,020 yards and 15 touchdowns though the first five games.

"Billy Bair is a good back, but we have other good runners, too," said Mars coach Scott Heinauer. "Josh Keil, Shane Kaclik. It's tough to get everyone the ball."

Keil and Kaclik also scored touchdowns, as did quarterback D.J. Cannon, whose 1-yard run capped the Planets' eight-play drive to start the game.

In terms of the number of plays, that turned out to be the team's longest drive.

"They were on the ball. They did a nice job," said Cornell coach Dennis Shazer. "They have a heck of a runner (in Bair), and we knew they were strong. Going into the year we figured they were the toughest team."

The Raiders (0-5, 0-5) went three-and-out in their first four possessions, then fumbled away the ball on the second play of their next possession.

Bair scored on a 22-yard run and Keil scored on a 47-yarder to give Mars a 22-0 lead with 1:29 left in the first quarter.

"We got down too fast," said Shazer.

Mars continued its run when Mars scored four more touchdowns in its next nine offensive plays.

Bair (37 yards), Kaclik (34) and Bair again (27 yards) allowed Mars to build a 42-0 lead with 7:04 before halftime.

The Raiders got on the scoreboard when they went on a seven-play, 68-yard drive, culminated by a 7-yard scoring run by Beau Chermer with 4:09 left before the break.

Quarterback Matt Linarelli hooked up with Torsten Brown on a 40-yard pass play on a key third-and-5 play from the Mars 37.

Bair added a 34-yard scoring run with 3:05 left before intermission to open a 49-6 lead. Mars began to substitute liberally after that score, and the mercy rule clock was in effect for the second half.

"We got a chance to see some of the young guys, and that's something good," said Heinauer. "When you get enough points, you get the kids out. We've been on the other side, too."

The Planets defeated New Brighton 35-0 last week and didn't suffer a turnover. The same happened Friday, something Heinauer was thrilled to see. He was also hoping his team wouldn't suffer a letdown after last week's nonconference win.

"We talked about that. (Shazer) had said his team had nothing to lose. We knew that. We had everything to lose. He was right.

"Offensively, defensively, we did what we wanted to do," Heinauer added.

Notes: Mars finished with 456 total yards. ... Because of the mercy rule, there were only 28 total plays over the final two quarters. ... Brown led all receivers with three catches for 66 yards. ... Mars drove to the Cornell 1 with less than 30 seconds remaining, but let the clock expire instead of running another play.