Sean Marshall RP CIN 1 Month

Sean Marshall underwent season-ending left shoulder surgery Tuesday.

The shoulder was debrided, with stem cells being infused to help the healing process. "They had a very, very optimistic feeling that the surgery went well," Reds manager Bryan Price said. "They're optimistic about a full recovery." Marshall is under contract for $6.5 million next season.

Sean Marshall RP CIN 1 Month

Sean Marshall will undergo surgery Tuesday to debride his left shoulder.

The Reds haven't revealed how long Marshall will be sidelined after the procedure, but it will surely be a season-ending operation. Marshall held a 7.71 ERA before landing on the DL last week and has been limited to just 31 appearances over the last two seasons due to shoulder issues. He's slated to earn $6.5 million from the Reds next season.

Sean Marshall RP CIN 2 Months

Reds placed LHP Sean Marshall on the 15-day disabled list with a left shoulder strain.

The 31-year-old southpaw has struggled since returning from the disabled list and continues to battle shoulder issues. In 15 games with the Reds, he posted a 7.71 ERA, 2.50 WHIP and 14/12 K/BB ratio over 14 innings.

Sean Marshall RP CIN 3 Months

Reds activated LHP Sean Marshall from the 15-day disabled list.

The 31-year-old southpaw was deemed good to go after appearing in two games on a minor league rehab assignment with Triple-A Louisville. He'll work in a setup capacity in front of interim closer Jonathan Broxton.

Sean Marshall RP CIN 4 Months

Sean Marshall (shoulder) could be activated from the disabled list as soon as next weekend.

Assuming he comes out of an appearance in an extended spring training game Saturday OK, Marshall will begin a rehab assignment with Triple-A Louisville on Tuesday. He'll make back-to-back appearances with the Bats before being activated next weekend if all goes well.

Sean Marshall RP CIN 4 Months

Reds placed LHP Sean Marshall on the 15-day disabled list, retroactive to March 21, with left shoulder inflammation.

Marshall battled more shoulder issues this spring after dealing with them for much of last season. However, he's been throwing off a mound and should be ready to rejoin the bullpen in a few weeks.

Sean Marshall RP CIN 4 Months

Sean Marshall (shoulder) faced hitters Wednesday for the first time this spring.

Marshall threw live batting practice, and Reds manager Bryan Price said the session went well. The southpaw was bothered by shoulder soreness earlier in spring but he appears past that at this point. He's still be a few weeks behind his teammates in terms of readiness for the season -- he'll almost certainly begin the season on the disabled list -- but Marshall should be back with the club before too long.

Sean Marshall RP CIN 4 Months

Sean Marshall (shoulder) will throw live batting practice Wednesday.

It will be the first time this spring that he's faced hitters. Coming back from shoulder tendinitis, Marshall will hang back in extended spring training but could join the Reds' bullpen sometime in April.

Sean Marshall RP CIN 5 Months

Sean Marshall (shoulder) threw 30 pitches in a bullpen session Monday.

It was his second time throwing off a mound this spring. Marshall, bother by shoulder tendinitis this spring, showed no visible signs of discomfort during the session. The southpaw is making progress, but he has yet to appear in a game and appears likely to begin the year on the disabled list.

Sean Marshall RP CIN 5 Months

Reds manager Bryan Price is hoping that Sean Marshall (shoulder) will be ready to join the bullpen "within that first week or two of the regular season."

Marshall has been limited to flat ground throwing after having a setback last week with his shoulder tendinitis. He could resume throwing off a mound on Friday, but that's not certain. "We're real happy with how he's rebounded after a few days off," Price said. "After re-initiating his throwing program, he hasn't had any setbacks, and he feels really good. He's definitely behind schedule, but if we don't have any setbacks and we're optimistic, he'll be ready at least within that first week or two of the regular season."