QB Colin Kaepernick, No. 7
Drafted in 2011, second round, 36th overall (Nevada). Changed the face of offense in nine starts, rushing for 440 yards and averaging 234 yards passing.
RB Frank Gore, No. 21
Drafted in 2005, third round, 65th overall (Miami). Team's all-time leader in rushing yards (8,839), rushing TDs (51) and 100-yard games (32).
FB Bruce Miller, No. 49
Drafted in 2011, seventh round, 211th overall (Central Florida). Former collegiate defensive end a perfect fit as Gore's lead blocker.
TE Vernon Davis, No. 85
Drafted in 2006, first round, sixth overall (Maryland). Ranks third in NFL in receiving TDs (31) among tight ends since 2009.
WR Michael Crabtree, No. 15
Drafted in 2009, first round, 10th overall (Texas Tech). 49ers' first 1,000-yard receiver since Terrell Owens in 2003.
WR Randy Moss, No. 84
Signed as unrestricted free agent in 2012 (didn't play in 2011). Future Hall of Famer still a deep threat at 35.
LT Joe Staley, No. 74
Drafted in 2007, first round, 28th overall (Central Michigan). Two-time Pro Bowl selection was rewarded with contract through 2017.
LG Mike Iupati, No. 77
Drafted in 2010, first round, 17th overall (Idaho). A starter in his first NFL game and every one thereafter, 52 in all.
C Jonathan Goodwin, No. 59
Signed as unrestricted free agent in 2011 (New Orleans). Offensive linemates voted him the winner of the 2011 Bobb McKittrick award.
RG Alex Boone, No. 75
Signed as undrafted free agent in 2009 (Ohio State). Former practice squad player started all 16 games this season.
RT Anthony Davis, No. 76
Drafted in 2010, first round, 11th overall (Rutgers). Has started every game of his NFL career and won the 2012 Bobb McKittrick award in vote by offensive linemates.
LE Ray McDonald, No. 91
Drafted in 2007, third round, 97th overall (Florida). Awarded five-year contract after breakout season in 2011.
NT Isaac Sopoaga, No. 90
Drafted in 2004, fourth round, 104th overall (Hawaii). Run-stopper has played in 125 of team's past 128 games.
RE Justin Smith, No. 94
Signed as unrestricted free agent in 2008 (Cincinnati). Had 185 consecutive starts, the last 78 with the 49ers, before Week 15 injury underscored his immense value.
OLB Ahmad Brooks, No. 55
Claimed off waivers from Cincinnati in 2008. Giving him a six-year contract to keep him from free agency was "the smartest thing we did," according to coach Jim Harbaugh.
ILB Patrick Willis, No. 52
Drafted in 2007, first round, 11th overall (Mississippi). Never has failed to make the Pro Bowl or an impact during a game.
ILB NaVorro Bowman, No. 53
Drafted in 2010, third round, 91st overall (Penn State). A first-team AP All-Pro in both years as a starter (2011, 2012).
OLB Aldon Smith, No. 99
Drafted in 2011, first round, seventh overall (Missouri). Recorded 331/2 sacks his first two seasons, including 191/2 this season.
CB Carlos Rogers, No. 22
Signed as unrestricted free agent in 2011 (Washington). Signed to a four-year contract after six-interception season in 2011.
CB Tarell Brown, No. 25
Drafted in 2007, fifth round, 147th overall (Texas). Starter at corner past 32 games, his two postseason interceptions have come against Drew Brees and Aaron Rodgers.
S Dashon Goldson, No. 38
Drafted in 2007, fourth round, 126th overall (Washington). No safety hits harder, and his nine interceptions since 2011 rank sixth in league over that time.
S Donte Whitner, No. 31
Signed as unrestricted free agent in 2011 (Buffalo). His hit on New Orleans Saints running back Pierre Thomas in 2011 playoffs will live forever in team lore.
K David Akers, No. 2
Signed as unrestricted free agent in 2011 (Philadelphia). Set NFL record with 44 field goals in 2011, then tied NFL record with 63-yard field goal in 2012 season opener.
P Andy Lee, No. 4
Drafted in 2004, sixth round, 188th overall (Pittsburgh). Three-time All-Pro set NFL single-season record with net punting average of 44.0 yards in 2011.
-- Dave Belli, Staff