The wide receiver told reporters Saturday that there's still no hard timetable on his return to action after surgery to repair a severe Lisfranc fracture in his foot.
"I don't have a target date," Holmes said at a flag football tournament in New York, according to the New York Daily News. "I don't want to do anything to jeopardize myself being ready for the season."
Holmes has been running on a non-weight-bearing treadmill at least three times per week, but he has done very few football-related activities.
"It's just getting back into the swing of walking and running without any pains from having scar tissue build up around the injury," said Holmes, who is an obvious candidate to begin training camp on the physically unable to perform list. "It's really difficult to learn how to walk again. To do so much balance work, you don't realize what you have until it's gone. To lose a ligament and have separation in your joints, have screws placed in."
Holmes' update provides further insight into the devastating nature of his injury, suffered last season during a blowout Week 4 loss to the San Francisco 49ers. There are legitimate questions about whether or not Holmes, easily the Jets' top receiver, will be the same player once he returns.
Can he come back at 100 percent?
"Mentally, that's all I can think about," Holmes said.
Though the Jets publicly won't say it, there has to be serious concern about Holmes not being ready for the start of the regular season. If he begins the season on the PUP list, he will be forced to sit out six games. That would stand as a significant setback for a team already lacking experienced playmakers on offense.
Follow Dan Hanzus on Twitter @DanHanzus.