Sale winger Chris Ashton is facing a ban for punching Castres' Rory Kockott in a pre-season friendly.
The England international was sent off for the incident during the second half of Sale's 20-17 win on Friday.
Ashton, 31, could miss the first three games of the new Premiership campaign, as suspensions for punches to the head usually start at four weeks.
The red card came in only his second game for the Sharks, having joined from Toulon in the summer.
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