Ok, so let's move outside the box score:

Sam Darnold:
QBR: 19.3 (31st)
DVOA: -37.1% (28th)
DYAR: -63 (28th)

(DYAR gives the value of QB's performance compared to replacement lvl)

According to nearly every efficiency metric, he's one of the worst QBs in the NFL. https://t.co/DD2zO8FuoN

— Nate Geary (@NateGearySports) September 21, 2020