Reds placed LHP John Lamb on the 15-day disabled list, retroactive to March 25, with a back injury.
John Lamb (back) is on track to face hitters next week.
John Lamb (back) is scheduled to throw off a mound for the first time Sunday.
John Lamb required disc surgery on his back in December.
John Lamb struggled in Thursday afternoon's loss to the Cubs, surrendering five runs on five hits over 4 2/3 innings.
John Lamb was lit up for five earned runs in two innings Saturday in the Reds' loss to the Mets.
John Lamb kept the Cardinals off the board over six innings on Monday but took a no-decision as the bullpen faltered late and the Reds lost.
John Lamb gave up three runs in four innings, taking a no-decision in Tuesday's 10-inning victory versus the Giants.
John Lamb notched his first big-league victory by shutting out the Cardinals for five innings on Thursday.
John Lamb was knocked around in a no-decision against the Brewers on Saturday, giving up six runs on nine hits over his 5 2/3 frames.
John Lamb pitched well in Sunday's loss to the Brewers, allowing two runs on five hits over six innings.
John Lamb was saddled with the loss on Tuesday, giving up three runs in five innings to the Dodgers.
John Lamb allowed three runs and nine hits over 5 1/3 innings Thursday against the Diamondbacks.
John Lamb racked up seven strikeouts over six innings in a losing effort against the Dodgers in his big league debut on Friday.