Sits out again Thursday
McConkey (ribs) was listed as a non-participant on Thursday's injury report.
McConkey was spotted working with the training staff during the media-viewing portion of Thursday's session, and he wound up not getting any work in for the second time in as many days. Head coach Jim Harbaugh tagged McConkey day-to-day earlier this week, but he will be hard-pressed to take the field Sunday against the Raiders if he sits out again Friday.
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Ladd McConkey
Working on side field Thursday
McConkey (rib) is working off to the side with a trainer at Thursday's practice, Kris Rhim of ESPN.com reports.
Ladd McConkey
Not practicing Wednesday
McConkey (ribs) won't practice Wednesday, Alex Insdorf of BoltBeat.com reports.
Marquez Valdes-Scantling
Joins Chargers' practice squad
The Chargers signed Valdes-Scantling to their practice squad Tuesday, Jeremy Fowler of ESPN.com reports.
Kimani Vidal
Sees little playing time Week 1
Vidal played five snaps (four on offense, one on special teams) and didn't show up on the box score otherwise during then Chargers' 26-14 loss to the Cardinals on Sunday.
Oronde Gadsden
Catches two passes in limited action
Gadsden caught both of his targets for 32 yards during the Chargers' 26-14 loss to the Cardinals on Sunday.
David Njoku
Brings in all five targets in Week 1 loss
Njoku caught five passes on as many targets for 58 yards during the Chargers' 26-14 loss to the Cardinals on Sunday.
Charlie Kolar
No offensive output Week 1
Kolar played 43 snaps (30 on offense, 13 on special teams) without showing up in the box score otherwise during the Chargers' 26-14 loss to the Cardinals on Sunday.
Tre' Harris
Logs three catches Week 1
Harris caught three of six targets for 20 yards in Sunday's loss to Arizona.
Ladd McConkey
Receives day-to-day label from coach
Chargers head coach Jim Harbaugh labeled McConkey (rib) as day-to-day Monday, Adam Schefter of ESPN reports. Harbaugh added that the Chargers will see how McConkey progresses throughout the week before determining his availability for Sunday's game agains the Raiders.
Ladd McConkey
Undergoing testing for ribs injury
McConkey will undergo further testing Monday for a potential rib injury sustained in Sunday's 26-14 loss to the Cardinals, Ian Rapoport of NFL Network reports.