Antwaan Randle El has the most career passing yards per passing attempt in Super Bowls, with 43.

highest passing yards per pass attempt super bowl career
Interpreted as:
highest passing yards per pass attempt by a player super bowl career
Randle ElNewhouseHavrilakMcCutcheonSewellMcMahonRyanWilliamsBradshawKubiakKaepernickSimmsWilsonDelhommeStarrStablerPlunkettMontanaLeeRypienYoungAndersonWarner432925242312.812.3511.7211.110.8610.7910.729.859.799.629.479.419.3698.858.858.828.76
NAMEROUNDGPYDS/ATTYDSATTCMPPCTAVGYDS/GTDTD%INTINT%SCKSCKYRATE
Antwaan Randle ElAntwaan Randle ElSuper Bowl2434311100.043.021.51100.000.000158.3
Robert NewhouseRobert NewhouseSuper Bowl3292911100.029.09.71100.000.000158.3
Sam HavrilakSam HavrilakSuper Bowl1252511100.025.025.000.000.000118.8
Lawrence McCutcheonLawrence McCutcheonSuper Bowl1242411100.024.024.01100.000.000158.3
Steve SewellSteve SewellSuper Bowl3232311100.023.07.700.000.000118.8
Jim McMahonJim McMahonSuper Bowl112.8256201260.012.8256.000.000.013104.2
Matt RyanMatt RyanSuper Bowl112.35284231773.912.3284.028.700.0544144.1
Doug WilliamsDoug WilliamsSuper Bowl111.72340291862.111.7340.0413.813.4110127.9
Terry BradshawTerry BradshawSuper Bowl411.1932844958.311.1233.0910.744.8858112.8
Gary KubiakGary KubiakSuper Bowl310.86767571.410.925.300.000.039106.8
Colin KaepernickColin KaepernickSuper Bowl110.79302281657.110.8302.013.613.631691.7
Phil SimmsPhil SimmsSuper Bowl110.72268252288.010.7268.0312.000.015150.9
Russell WilsonRussell WilsonSuper Bowl29.85453463065.29.8226.548.712.2313117.4
Jake DelhommeJake DelhommeSuper Bowl19.79323331648.59.8323.039.100.0428113.6
Bart StarrBart StarrSuper Bowl29.62452472961.79.6226.036.412.1106.0
Ken StablerKen StablerSuper Bowl19.47180191263.29.5180.015.300.0111111.7
Jim PlunkettJim PlunkettSuper Bowl29.41433462963.09.4216.548.700.0319122.8
Joe MontanaJoe MontanaSuper Bowl49.361,1421228368.09.4285.5119.000.0730127.8
Bob LeeBob LeeSuper Bowl29819777.89.040.5111.100.000141.2
Mark RypienMark RypienSuper Bowl18.85292331854.58.8292.026.113.00092.0
Steve YoungSteve YoungSuper Bowl28.85345392666.78.8172.5615.400.0315134.1
Ken AndersonKen AndersonSuper Bowl18.82300342573.58.8300.025.925.951695.2
Kurt WarnerKurt WarnerSuper Bowl38.761,1561328362.98.8385.364.532.373896.7
Joe FlaccoJoe FlaccoSuper Bowl18.7287332266.78.7287.039.100.0213124.2
Nick FolesNick FolesSuper Bowl18.67373432865.18.7373.037.012.300106.1