Baldwin worked out for the Giants Tuesday. The Giants are thin at wide receiver, so they brought in a few players. Even if Baldwin were to make the team, he's a long shot to make an impact.

The Lions have waived Baldwin (knee) due to a failed physical, Dave Birkett of the Detroit Free Press reports. Birkett adds that there's a possibility the Lions could revisit adding Baldwin (claimed on waivers Monday) if/when his knee is more sound, but his stint with the team turned out to be a brief one.

Baldwin was claimed off waivers by the Lions on Monday, the Detroit Free Press reports.

ESPN 49ers reporter Bill Williamson believes WR Jon Baldwin conceivably could be converted to a tight end, but says the former first-round pick has "virtually no chance" to make the roster either way. The tight end comment is just idle speculation. At 6-foot-4, 230 pounds, Baldwin would be on the small side for tight ends, and he has not played the position since high school. The important takeaway is Baldwin's roster spot is still in grave danger despite the salary cut he took in February. Baldwin looks to be nearing the end of his NFL road.

WR Jon Baldwin has reworked his contract with the 49ers.

CSN Bay Area considers 49ers WR Jon Baldwin a candidate for release. Baldwin is due a non-guaranteed $1.4 million in salary and bonuses for 2014. Part of the reason the 49ers swapped former first-round pick A.J. Jenkins for Baldwin was because of the aforementioned reason; Jenkins had two years left of guaranteed money at the time of the deal. We wouldn't expect the 49ers to give up on Baldwin before training camp, but he's going to have to earn his spot. Baldwin caught just three passes for 28 yards in seven games with San Francisco.

49ers WR Jon Baldwin wasn't active after Week 12 this season. In all, Baldwin dressed seven times, making three catches for 28 yards. The 2011 first-round bust did nothing to distinguish himself for a club that was thin at receiver all season. Looking like a lost cause, Baldwin will have to show major signs of progress in camp to keep his roster spot.

Jon Baldwin (illness) is inactive for Week 8 against the Jaguars. The Niners are otherwise healthy. Their Week 8 inactives in addition to Baldwin are QB McLeod Bethel-Thompson, WR Quinton Patton, RB LaMichael James, CB Nnamdi Asomugha, LB Jermaine Cunningham, and G Joe Looney.

Jon Baldwin (illness) is listed as questionable for Week 8. Baldwin was limited in practice again Friday and will be a game-time decision. With Mario Manningham (knee, PUP) still not ready to return, he'll continue to serve as the No. 3 receiver if active this week.

Jon Baldwin was held without a catch in Week 7 against Tennessee. Baldwin wasn't even targeted as he played behind Kyle Williams outside. He can be dropped in re-draft leagues with Mario Manningham (knee) close to returning.