NFL approves roster exemption for 3rd active QB on game days after 49ers' playoff woes
How The Eagles & Chiefs Won Their Way To The Super Bowl
49ers' emergency quarterback, who's not a QB, could have been forced to play in NFC Championship vs. Eagles
Analysis: NFL wasn't at its best in conference championships
49ers stars ruffle Eagles' feathers in Super Bowl lead-up, 49ers
49ers vs Eagles NFC Championship: QB matchup
What the NFL's new emergency quarterback rule means for the Patriots - Pats Pulpit
The NFL Tweaked the Emergency QBs Rule After the 49ers' NFC Title Game Debacle - Bleacher Nation
What Lions coach Dan Campbell had to say about NFL's new 3rd QB rule
49ers Quarterback Brock Purdy Leaves the NFC Championship with Injury (UPDATE: He's Back) - Bleacher Nation
49ers lose Brock Purdy to injury in NFC Championship game vs. Eagles
The 5 O'Clock Club: The 'emergency' quarterback - who gets cut from the 53 to keep Jake Fromm on the roster? - Hogs Haven
NFL changes QB rules after Eagles beat up Brock Purdy, Josh Johnson and the 49ers
NFL approves emergency 3rd QB after 49ers’ injury woes in NFC title game
49ers Clearly Still Bitter About Eagles Loss