Pulis is averaging 0.9 points per game this season as opposed to 1.2 in his previous 94 league matches with West Brom.
"People say the football's been boring but the last two games at The Hawthorns have seen nine goals scored", he said.
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However, the Blues do come into the game off the back of three successive league wins and could move from fourth to second by bagging three points.
Next up for West Brom are games at home to Chelsea and away to Tottenham Hotspur, fixtures which could well spell the end of Pulis' tenure at The Hawthorns.
He added: "If the club decide what they decide, I have got great respect for everybody at the football club, from the supporters to the chairman, to the board".
The 59-year-old is quoted by BBC Sport as saying: "I understand the more you give, the more people want".
Chelsea won the Premier League title following victory at West Brom last season
Pulis told the media on Friday: "Last year we were one result worse off than we are this year (at this stage)".
Ball-winner supreme N'Golo Kante returned to the fold last time out and made a big difference for Chelsea in the win against Manchester United, while Victor Moses is also back in contention following his own hamstring injury.
"(Nacer) Chadli, (James) Morrison and (Oliver) Burke are all players who can create and score and we've not had them.
"People tell me we're this, that, and the other, look at the league, there are four or five teams who have scored fewer goals than us".
"We're disappointed that he's played the two 90 minutes and has ended up getting an injury on Thursday in training".
West Brom manager Tony Pulis finds himself under pressure amidst fears that the club are going to become embroiled in a battle to avoid relegation. "I am going to go for Chelsea, although I think it will be a hard game".
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