Category	Career	Record	Last Year
Quarterback Rating	Byron Leftwich	96.6	2015
Pass Attempts	Byron Leftwich	4,317	2015
Pass Completions	Byron Leftwich	2,704	2015
Completion Percentage	Byron Leftwich	62.6	2015
Passing Yards	Byron Leftwich	33,061	2015
Yards per Pass Attempt	Byron Leftwich	7.66	2015
Passing Touchdowns	Byron Leftwich	248	2015
Times Sacked	Byron Leftwich	252	2015
300 Yards Passing	Byron Leftwich	32	2015
Rushing Attempts	Carnell Williams	2,406	2014
Rushing Yards	Carnell Williams	9,661	2014
Yards per Carry	Michael Pittman	4.02	2006
Rushing Touchdowns	Carnell Williams	67	2014
100 Yards Rushing	Carnell Williams	31	2014
Receptions	Michael Clayton	542	2014
Receiving Yards	Michael Clayton	7,264	2014
Yards per Reception	Joey Galloway	16.47	2008
Receiving Touchdowns	Michael Clayton	59	2014
Targeted Passes	Michael Clayton	969	2014
Passes Dropped	Michael Clayton	54	2014
100 Yards Receiving	Michael Clayton	16	2014
Interceptions	Gerald Sanderson	17	2015
Pass Defense Percentage	Christian Mueller	82.3	2015
Tackles	Freddie Mitchell	639	2015
Assists	Freddie Mitchell	209	2015
Sacks	Chris Kelsay	45.5	2013
Hurries	Chris Kelsay	134	2013
Blocked Passes	Chris Kelsay	32	2013
Field Goals	Antonio Spragins	29	2010
Key Run Blocks	Davin Joseph	188	2015
Key Run Opportunities	Davin Joseph	533	2015
Pancake Blocks	Mitchell Farley	16	2015
Passes Defensed	Jordan Babineaux	62	2014
Punt Return Yards	Johnathan Joseph	1,019	2013
Punt Return TDs	Christian Mueller	1	2015
Kickoff Return Yards	Travis Wilson	4,749	2015
Kickoff Return TDs	Travis Wilson	2	2015
Points Scored	Carnell Williams	530	2014
Yards from Scrimmage	Carnell Williams	12,250	2014
All-Purpose Yards	Carnell Williams	12,265	2014
Games Started	Alex Smith	143	2015

Category	Single-Season	Record	Year
Quarterback Rating	Byron Leftwich	114.1	2013
Pass Attempts	Byron Leftwich	615	2010
Pass Completions	Byron Leftwich	361	2010
Completion Percentage	Byron Leftwich	68.7	2013
Passing Yards	Byron Leftwich	4,451	2008
Yards per Pass Attempt	Byron Leftwich	8.41	2009
Passing Touchdowns	Byron Leftwich	38	2008
Times Sacked	Byron Leftwich	33	2013
300 Yards Passing	Byron Leftwich	8	2008
Rushing Attempts	Carnell Williams	362	2009
Rushing Yards	Carnell Williams	1,548	2009
Yards per Carry	Eric Shelton	4.57	2010
Rushing Touchdowns	Carnell Williams	15	2012
100 Yards Rushing	Carnell Williams	8	2009
Receptions	Artie Velazquez	89	2015
Receiving Yards	Michael Clayton	1,286	2008
Yards per Reception	Allen Reese	19.02	2012
Receiving Touchdowns	Michael Clayton	12	2008
Targeted Passes	Artie Velazquez	149	2015
Passes Dropped	Michael Clayton	14	2007
100 Yards Receiving	Michael Clayton	5	2008
Interceptions	Christian Mueller	7	2014
Pass Defense Percentage	Gerald Sanderson	87.5	2015
Tackles	Freddie Mitchell	115	2011
Assists	Jermaine Phillips	45	2006
Sacks	Dewayne White	12.0	2007
Hurries	Chris Kelsay	26	2009
Blocked Passes	Chris Kelsay	10	2013
Field Goals	Antonio Spragins	29	2010
Key Run Blocks	Kenyatta Walker	33	2006
Key Run Opportunities	Donald Dyrda	91	2014
Pancake Blocks	Mitchell Farley	5	2011
Passes Defensed	Christian Mueller	15	2013
Punt Return Yards	Christian Mueller	408	2014
Punt Return TDs	Christian Mueller	1	2014
Kickoff Return Yards	Ronde Barber	1,320	2006
Kickoff Return TDs	Travis Wilson	2	2014
Points Scored	Josh Scobee	124	2007
Yards from Scrimmage	Carnell Williams	2,077	2009
All-Purpose Yards	Carnell Williams	2,086	2009

Category	Single-Game	Record	Year	Opponent
Quarterback Rating	Byron Leftwich	158.3	2008	Kansas City
Pass Attempts	Byron Leftwich	53	2007	Carolina
Pass Completions	Byron Leftwich	32	2010	Arizona
Completion Percentage	Chris Simms	92.0	2006	Atlanta
Passing Yards	Byron Leftwich	386	2009	Carolina
Yards per Pass Attempt	Byron Leftwich	13.52	2007	Atlanta
Passing Touchdowns	Byron Leftwich	6	2008	Carolina
Times Sacked	Myron Brewer	9	2014	Minnesota
Rushing Attempts	Carnell Williams	36	2009	Miami
Rushing Yards	Carnell Williams	160	2009	New Orleans
Yards per Carry	Carnell Williams	8.11	2013	Arizona
Rushing Touchdowns	Michael Pittman	3	2007	Arizona
Receptions	Michael Clayton	12	2008	Carolina
Receiving Yards	Artie Velazquez	176	2014	St. Louis
Yards per Reception	Michael Clayton	27.83	2008	Denver
Receiving Touchdowns	Michael Clayton	3	2008	Carolina
Targeted Passes	Sidney Rice	18	2007	Carolina
Passes Dropped	Michael Clayton	3	2006	Atlanta
Interceptions	Christian Mueller	3	2014	Detroit
Pass Defense Percentage	Blue Adams	100.0	2006	Baltimore
Tackles	Brandon Siler	16	2013	St. Louis
Assists	Freddie Mitchell	8	2011	Carolina
Sacks	Dewayne White	3.5	2007	Houston
Hurries	Chris Kelsay	6	2013	Carolina
Blocked Passes	Baraka Atkins	3	2011	San Francisco
Field Goals	Josh Scobee	4	2007	Carolina
Key Run Blocks	Sean Mahan	6	2006	New Orleans
Key Run Opportunities	Kenyatta Walker	12	2006	New Orleans
Pancake Blocks	Davin Joseph	2	2010	Minnesota
Passes Defensed	Jordan Babineaux	5	2009	New York
Punt Return Yards	Christian Mueller	156	2014	New Orleans
Punt Return TDs	Christian Mueller	1	2014	New Orleans
Kickoff Return Yards	Travis Wilson	182	2014	Philadelphia
Kickoff Return TDs	Ronde Barber	1	2007	San Francisco
Points Scored	Michael Pittman	18	2007	Arizona
Yards from Scrimmage	Carnell Williams	222	2009	San Francisco
All-Purpose Yards	Travis Wilson	243	2011	Houston

Category	Playoff Game	Record	Year	Opponent
Quarterback Rating	Byron Leftwich	116.3	2007	New York
Pass Attempts	Byron Leftwich	42	2012	St. Louis
Pass Completions	Byron Leftwich	25	2015	Philadelphia
Completion Percentage	Byron Leftwich	71.9	2012	Minnesota
Passing Yards	Byron Leftwich	295	2015	Philadelphia
Yards per Pass Attempt	Byron Leftwich	8.19	2012	Minnesota
Passing Touchdowns	Byron Leftwich	3	2007	New York
Times Sacked	Byron Leftwich	3	2010	San Francisco
Rushing Attempts	Carnell Williams	26	2012	Minnesota
Rushing Yards	Carnell Williams	87	2013	New Orleans
Yards per Carry	Sam LaForest	5.44	2015	Philadelphia
Rushing Touchdowns	Eric Shelton	2	2010	Carolina
Receptions	Sidney Rice	9	2007	New York
Receiving Yards	Sidney Rice	117	2007	New York
Yards per Reception	Dale Fruth	17.20	2015	Philadelphia
Receiving Touchdowns	Allen Reese	2	2012	St. Louis
Targeted Passes	Artie Velazquez	14	2013	St. Louis
Passes Dropped	Travis Wilson	2	2013	St. Louis
Interceptions	Ronde Barber	1	2007	New York
Pass Defense Percentage	Josh Gattis	100.0	2012	Minnesota
Tackles	Freddie Mitchell	11	2012	St. Louis
Assists	Freddie Mitchell	8	2013	St. Louis
Sacks	Chris Kelsay	3.0	2013	New Orleans
Hurries	Chris Kelsay	4	2013	New Orleans
Blocked Passes	Baraka Atkins	2	2012	Minnesota
Field Goals	Preston Herndon	4	2015	Philadelphia
Key Run Blocks	Kenyatta Walker	5	2010	San Francisco
Key Run Opportunities	Mitchell Farley	12	2012	Minnesota
Pancake Blocks	Jeremy Trueblood	1	2010	Carolina
Passes Defensed	Dustin Fox	2	2010	San Francisco
Punt Return Yards	Pete Sutter	22	2015	Philadelphia
Kickoff Return Yards	Orlando Edgar	80	2013	St. Louis
Points Scored	Preston Herndon	14	2015	Philadelphia
Yards from Scrimmage	Sidney Rice	117	2007	New York
All-Purpose Yards	Sidney Rice	117	2007	New York

Category	Single-Season Record	Year
Points Scored	27.3	2008
Points Allowed	15.0	2015
Passing Yards	282.7	2008
Passing Yards Allowed	196.0	2006
Rushing Yards	123.2	2009
Rushing Yards Allowed	88.4	2013
Total Yards	393.8	2009
Total Yards Allowed	315.3	2007
Pass Attempts	38.9	2010
Rush Attempts	29.8	2013

Category	Single-Game Record	Opponent	Year
Points Scored	46	Carolina	2008
Points Allowed	0	San Francisco	2007
Passing Yards	391	Baltimore	2010
Passing Yards Allowed	77	Baltimore	2006
Rushing Yards	208	Philadelphia	2012
Rushing Yards Allowed	18	Tennessee	2015
Total Yards	523	Arizona	2013
Total Yards Allowed	138	Pittsburgh	2014
Pass Attempts	53	Carolina	2007
Rush Attempts	49	Miami	2009

Category	Playoff Game Record	Opponent	Year
Points Scored	30	Carolina	2010
Points Allowed	7	Minnesota	2012
Passing Yards	295	Philadelphia	2015
Passing Yards Allowed	135	Carolina	2010
Rushing Yards	127	Philadelphia	2015
Rushing Yards Allowed	46	Philadelphia	2015
Total Yards	404	Philadelphia	2015
Total Yards Allowed	260	Carolina	2010
Pass Attempts	44	St. Louis	2013
Rush Attempts	43	Minnesota	2012