Chargers RB Isaiah Spiller has been the only RB other than Austin Ekeler taking 1st-team reps, according to NFL Network's Taylor Bisciotti. That's a pretty good signal that he's the favorite to emerge as the Chargers' #2 RB. And it doesn't hurt that former #2 Justin Jackson signed with the Lions on Monday. Spiller looks like a solid handcuff-level pick.

Update: Bisciotti later tweeted that RBs Joshua Kelley and Larry Rountree also got 1st-team reps in Monday's practice. "They’re splitting reps and it’s an open competition," Bisciotta tweeted. "RB2 is up for grabs." We still consider Spiller the favorite to win this job.

Chargers RB Isaiah Spiller is a healthy scratch for today's opener vs. the Dolphins. It's confirmation that Joshua Kelley is the No. 2 RB behind Austin Ekeler.

The Chargers “remain high” on RB Isaiah Spiller, per The Athletic’s Daniel Popper. It’s not shocking since Spiller arrived in Round 4 just one year ago. He battled an August ankle injury and never locked down the RB2 job behind Austin Ekeler. Across six games, Spiller posted only 41 yards on 18 carries. We’ll see if the Chargers add a veteran RB over the coming weeks. Even if they pass, Spiller must beat out Josh Kelley for the backup job.

Chargers RB Isaiah Spiller is a healthy scratch for today's opener vs. the Raiders. It'll be RBs Sony Michel and Joshua Kelley behind Austin Ekeler.

Chargers RB Isaiah Spiller (ankle) returned to practice on Tuesday. He ended up missing 9 days with the ankle injury. Spiller was still sitting 4th on the depth chart when he went down, so he's unlikely to be an early-season factor. But the rookie still has a shot to eventually emerge as the Chargers' #2 RB.

Chargers HC Brandon Staley labeled RB Isaiah Spiller "week to week" with the ankle injury he suffered in Saturday's preseason game. Spiller's availability for Week 1 is uncertain, Staley added. That kills any chance the rookie had of winning the #2 RB job to open the season. RB Joshua Kelley is the favorite for that spot, although he's still an underwhelming fantasy pick.