Rosenior unhappy with referee after bizarre huddle incident in Chelsea loss
Newcastle won at Stamford Bridge for the first time in 14 years as Anthony Gordon's 18th-minute strike punished sloppy Chelsea defending.
But the focus after the game was on the curious incident before kick-off when Tierney stood in the centre of a circle of Chelsea players as Blues captain Reece James spoke to his team.
Rosenior said he will contact PGMOL, the referees' body, to seek clarity on why Chelsea's pre-game ritual was disrupted.
Newcastle were due to kick off and Tierney was standing next to the ball near the centre spot...