"We don't get any reward for being honest".
Pulis refused to talk about the decision claiming that "everyone has seen it and can make their minds up".More news: FBI Reports Violent-Crime Uptick, but Numbers Down Overall
On his first league start since the collapse of his desired move to Manchester City, it felt inevitable Sanchez, making his 100th Premier League appearance, would be at the centre of Arsenal's opener.
"I think everybody has seen what has happened today, I think if you want to make an example of something, the first free-kick he gives on the edge of the box, Sanchez actually dives and should be booked in my opinion. Would it [the West Brom penalty call] have been given I would not have said it is a scandal".
Arsenal manager Arsene Wenger had a different view on the penalty to Pulis, suggesting referee Bobby Madley opted to play a bold advantage.More news: Is the Apple Inc. iPhone 8 a Failure?
"Then you see the tackle in the box. It is one of those things but it is just hard because if you do get that goal, 1-0 up changes the game".
Arsenal first scored in the 20th minute when Alexandre Lacazette headed in the rebound from another of Sanchez's free-kicks, and then in the 67th when the Frenchman struck from the penalty spot after Aaron Ramsey was fouled by Allan Nyom.
Even though we only drew last time out against Chelsea, that was probably the better overall team performance, however, thankfully there were a few standouts yesterday who helped us to three points.More news: China warns of 'complicated' situation on Korean Peninsula
West Brom midfielder Gareth Barry set a new Premier League appearance record, breaking that previously held by Ryan Giggs, and Pulis said of his captain for the evening: "Gareth has been a wonderful professional and still is".