head coach Jon Gruden wasn’t holding back.

Just before Raiders kicker Daniel Carlson booted a 41-yard field goal with two seconds to go in the second quarter of Sunday’s game against the , Gruden was caught on a hot mic cursing up a storm at a nearby referee.

Carlson successfully hit the kick to give the Raiders a 9-7 lead at the half.

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Las Vegas pulled out a 26-17 road victory over the Steelers behind quarterback , who completed 28 of 37 passes for 382 yards and two touchdowns.

Second-year wideout hauled in five passes for 113 yards and one score. All-Pro tight end added five catches for 65 yards.

Steelers quarterback threw for 295 yards, one touchdown and one interception in the loss. He also lost a fumble.

Steelers wide receiver Diontae Johnson had nine receptions for 105 yards to lead Pittsburgh’s offense.

The Raiders will face the next week. Pittsburgh hosts .