He said: “I didn’t see it so I cannot comment. After that if you call me, I will give you my answer. I am new here so I don’t know how it works. I didn’t see so I cannot comment.
“Will it be a blow? Hopefully nothing happens. If it happens, we accept and adapt. If we lose him, we lose him. We are still going to play with 11.”
Hammers boss Slaven Bilic also missed the incident but said he was going to substitute Reid anyway.
He said: “We were preparing to make a substitution so I didn’t see that and I didn’t react. I reacted because we wanted to make a sub and change the shape.
“Winston was off and Jonathan Calleri still didn’t come on. That was my discussion with them. I think Winston is okay. He is not injured.”