Seahawks’ Grey Zabel hard on himself for play at Titans

For perhaps the first time in his meteoric rookie season, Grey Zabel felt “humbled.”

That was the Seahawks’ left guard’s and first-round draft choice’s word Sunday describing trying to block Tennessee Pro Bowl defensive lineman Jeffery Simmons.

Seattle (8-3) beat the Titans (1-10) in Nashville. Zabel and Simmons took turns beating each other all day in a battle royale along the line of scrimmage.

In the Seahawks’ 30-24 victory, Zabel again did not allow a sack in quarterback Sam Darnold’s 27 drop backs to pass. That’s even though Zabel was surprising his team by playing on basically one good leg.

Seven days earlier, he was face-down on the turf at SoFi Stadium outside Los Angeles with a serious-looking knee injury late in Seattle’s loss at the Rams.

“I’ll tell you what, this guy is un