SANTA CLARA, Calif. — Simply earlier than halftime of Thursday night time’s sport between the San Francisco 49ers and Unutilized York Giants, Niners left take on Trent Williams perceived to throw a right-handed punch to the facemask of Giants defensive take on A’Shawn Robinson.

The scuffle between Williams and Robinson drew penalty flags for needless roughness on each avid gamers, forcing Niners quarterback Brock Purdy to kneel once more to finish the part. However given the punch, the Giants perceived to surprise why Williams wasn’t ejected.

NFL senior vp of officiating Walt Anderson stated to a pond reporter later San Francisco’s 30-12 win, noting that his group reviewed the play games the usage of to be had video to peer if any more motion had to be taken.

“We ended up looking at the video we had available to us, and we just didn’t see anything that rose to the level of flagrant,” Anderson mentioned. “Which is the standard that we have to apply to disqualify the player.”

Anderson went on to provide an explanation for that to resolve how flagrant a punch is, officers glance to resolve if it was once achieved with a closed fist, an open-hand slap or a stiff-arm to the face. In step with Anderson, a closed fist punch “carries a different weight to it.”

Past Williams perceived to throw a closed-fist punch at Robinson, Anderson mentioned the officers didn’t see a replay perspective that gave them conclusive proof that he did.

“We couldn’t confirm that 100 percent from the standpoint of was it truly a closed fist with a strike,” Anderson mentioned. “We just couldn’t determine that.”

The play games took park with about 13 seconds extra in the second one quarter. The Niners have been kneeling to finish the part when Niners left preserve Aaron Banks shoved Robinson away. Robinson instantly were given in Williams’ face, and the 2 started arguing.

“Just mixing it up,” Williams mentioned. “A lot of tempers flaring out there, it’s a competitive game and sometimes things boil over a little bit.”

Robinson was once requested concerning the incident later the sport however declined to trade in his facet, most commonly responding with, “I don’t know.”

Williams and Robinson have performed towards each and every alternative more than one instances over the presen 3 years when Robinson was once enjoying for the Los Angeles Rams. Williams added that he didn’t be expecting to be fined for hitting Robinson.

“I don’t think so,” Williams mentioned. “It was a love tap. It wasn’t that hard.”

ESPN’s Jordan Raanan contributed to this file.