Marson never returned to the field for the Indians in 2013 after suffering a shoulder injury in April.
1:08 ET
Impact: Shoulder soreness and a cervical neck strain limited Marson to only three games this season.
Mujica is on the St. Louis Cardinals' roster for the NL division series after losing his job as closer in mid-September.
6:02 ET
Impact: Rookie Trevor Rosenthal took over for Mujica, who was among the league leaders with 37 saves but had two blown saves the final month. Mujica, who began the year as a setup man, allowed 18 hits in 7 1-3 innings in September. In his final outing, Mujica lasted one-third of an inning and gave up two runs on three hits - all for extra bases.
Uggla is being left off the Atlanta Braves' roster for the NL division series against the Los Angeles Dodgers.
2:32 ET
Impact: Uggla, a three-time All-Star, has 22 homers but hit only .179 this season. He struggled with vision problems and finally was placed on the disabled list on Aug. 13 so he could have laser eye surgery. The surgery didn't appear to help. Uggla hit only .122 in 49 at-bats in September and began losing playing time to Elliot Johnson, who is expected to open the division series as the starter.
Lester will start Game 1 of the AL division series.
6:55 ET
Impact: Lester was 15-8 with a 3.75 ERA this season. He won his first six decisions and seven of his last nine. From May 20 through the All-Star break, he went 2-6 with a 6.27 ERA. Lester will be followed in the rotation by John Lackey and Clay Buchholz, with Jake Peavy ready to pitch Game 4 of the best-of-five series if necessary.
Headley has had arthroscopic surgery on his left knee to repair a medial meniscus tear. The Padres said in a statement Tuesday the 29-year-old Headley is expected to need four to six weeks for recovery.
9:55 ET
Impact: Doctors Heinz Hoenecke, Daniel Keefe and Jan Fronek performed the operation at Scripps Clinic. The Gold Glove third baseman was playing with knee pain since spring training. Headley hit .250 with 13 homers and 13 RBIs this season, a major drop-off from last year when he finished fifth in the MVP voting. In 2012, he batted .286 with 31 homers and 115 RBIs.
Data provided by STATS LLC.
Lou Marson , C
Marson never returned to the field for the Indians in 2013 after suffering a shoulder injury in April.
Edward Mujica , P
Mujica is on the St. Louis Cardinals' roster for the NL division series after losing his job as closer in mid-September.
Dan Uggla , 2B
Uggla is being left off the Atlanta Braves' roster for the NL division series against the Los Angeles Dodgers.
Jon Lester , P
Lester will start Game 1 of the AL division series.
Chase Headley , 3B
Headley has had arthroscopic surgery on his left knee to repair a medial meniscus tear. The Padres said in a statement Tuesday the 29-year-old Headley is expected to need four to six weeks for recovery.