LONDON (Interstat) — Chelsea and Arsenal played to a 1-1 draw in a contentious Premier League match Sunday at Stamford Bridge.

Defender Trevoh Chalobah opened the scoring for Chelsea in the 48th minute, heading in a cross from Marc Cucurella. Arsenal substitute Mikel Merino leveled the match just 11 minutes later, finishing from close range.

The match was marred by discipline, featuring eight yellow cards and a red card shown to Chelsea’s Moisés Caicedo in the 38th minute. The result left both London clubs with a draw to start their Premier League campaigns, defying pregame projections that heavily favored Arsenal.