Aiyuk (knee) is present at San Francisco's mandatory minicamp but is not practicing, though he contributed Tuesday by coaching up the team's younger receivers, Matt Barrows of The Athletic reports.
Collins (calf) will be back on the practice field during training camp, Vic Tafur of The Athletic reports.
WR
Ricky Pearsall: Team still exercising caution
Jun 10th
49ers coach Kyle Shanahan said Tuesday that Pearsall (hamstring) is healthy enough to participate in mandatory minicamp, but the team is prioritizing having the second-year wideout ready for training camp, Jennifer Lee Chan of NBC Sports Bay Area reports.
RB
Isaac Guerendo: On field for OTAs
Jun 6th
Guerendo (knee/ankle) was an active participant at voluntary OTAs, per the 49ers' official site.