who has the most 400+ passing yard games

Graham Harrell and Colt Brennan were tied for the most games with 400+ passing yards, with 20 games.

	NAME	GP	YDS	CMP	ATT	PCT	AVG	YDS/G	TD	INT	RTG	TD%	INT%	SCK	SCKY
1	Graham Harrell G. Harrell	20	9,205	787	1,088	72.3	8.5	460.3	75	16	163.2	6.9	1.5
2	Colt Brennan C. Brennan	20	8,933	671	948	70.8	9.4	446.7	89	23	176.1	9.4	2.4
3	Case Keenum C. Keenum	19	8,875	683	954	71.6	9.3	467.1	75	11	173.4	7.9	1.2
4	Connor Halliday C. Halliday	12	6,023	502	763	65.8	7.9	501.9	54	15	151.5	7.1	2.0
5	Landry Jones L. Jones	12	5,464	408	609	67.0	9.0	455.3	45	16	161.5	7.4	2.6
6	Luke McCown L. McCown	12	5,086	402	636	63.2	8.0	423.8	38	16	145.1	6.0	2.5
7	Tim Rattay T. Rattay	12	5,895	441	647	68.2	9.1	491.3	26	11	154.6	4.0	1.7
8	Patrick Mahomes P. Mahomes	11	5,663	387	588	65.8	9.6	514.8	49	10	170.8	8.3	1.7	14	98
9	Luke Falk L. Falk	11	5,264	473	657	72.0	8.0	478.5	51	9	162.2	7.8	1.4	35	242
10	Derek Carr D. Carr	11	5,088	402	555	72.4	9.2	462.5	50	8	176.3	9.0	1.4
11	Timmy Chang T. Chang	11	4,801	345	575	60.0	8.3	436.5	39	17	146.6	6.8	3.0
12	Mason Rudolph M. Rudolph	10	4,532	272	437	62.2	10.4	453.2	33	9	170.2	7.6	2.1	23	146
13	Brandon Doughty B. Doughty	10	4,801	344	473	72.7	10.2	480.1	43	8	184.6	9.1	1.7	11	89
14	Chase Holbrook C. Holbrook	10	4,634	403	564	71.5	8.2	463.4	34	8	157.5	6.0	1.4
15	Will Rogers W. Rogers	9	3,851	360	486	74.1	7.9	427.9	34	3	162.5	7.0	0.6	16	77
16	Dillon Gabriel D. Gabriel	9	3,944	252	364	69.2	10.8	438.2	39	5	192.9	10.7	1.4	15	97
17	Anthony Gordon A. Gordon	9	4,299	352	485	72.6	8.9	477.7	40	11	169.7	8.2	2.3	11	86
18	Davis Webb D. Webb	9	4,023	328	505	65.0	8.0	447.0	32	11	148.4	6.3	2.2	12	94
19	Shane Carden S. Carden	9	3,938	316	483	65.4	8.2	437.6	26	5	149.6	5.4	1.0
20	B.J. Symons	9	4,542	354	521	67.9	8.7	504.7	44	11	164.8	8.4	2.1
21	Byron Leftwich B. Leftwich	9	3,908	277	393	70.5	9.9	434.2	30	5	176.7	7.6	1.3
22	Kliff Kingsbury K. Kingsbury	9	3,993	356	495	71.9	8.1	443.7	41	6	164.6	8.3	1.2
23	Bailey Zappe B. Zappe	8	3,821	282	396	71.2	9.6	477.6	39	8	180.7	9.8	2.0	12	80
24	Michael Penix Jr. M. Penix Jr.	8	3,662	227	324	70.1	11.3	457.8	28	4	191.1	8.6	1.2	3	17
25	Gardner Minshew II G. Minshew II	8	3,577	306	422	72.5	8.5	447.1	30	4	165.3	7.1	0.9	8	52