Infectious mononucleosis
Dallas Cowboys quarterback Dak Prescott, center, reacts after not completing a two-point conversion during the second half of an NFL football game, Sunday, Oct. 13, 2019, in East Rutherford, N.J. The Jets defeated the Cowboys 24-22. (AP Photo/Adam Hunger)
Darnold throws 2 TDs in return, Jets edge Cowboys 24-22

By Dennis Waszak Jr. Oct. 13, 2019 07:55 PM EDT

FILE - In this Sept. 8, 2019, file photo, New York Jets quarterback Sam Darnold (14) throws a pass during the second half of an NFL football game against the Buffalo Bills, in East Rutherford, N.J. Darnold has been cleared by doctors to play this week after he missed three games while recovering from mononucleosis. The Jets announced in a Twitter post that Darnold will start Sunday at home against Dallas. (AP Photo/Seth Wenig, File)
Jets QB Sam Darnold cleared to play, will start vs. Cowboys

By Dennis Waszak Jr. Oct. 08, 2019 12:20 PM EDT

FILE - In this May 23, 2019, file photo, New York Jets quarterback Sam Darnold speaks to reporters after an NFL football practice in Florham Park, N.J. Darnold has been ruled out for New York's game at Philadelphia on Sunday as he continues to recover from mononucleosis. Coach Adam Gase says Friday that Darnold had tests Thursday night, and the results of which were not sufficient enough for doctors to clear him to play. (AP Photo/Seth Wenig, File)
Jets QB Darnold ruled out vs. Eagles, Falk to start

By Dennis Waszak Jr. Oct. 04, 2019 11:26 AM EDT

FILE - In this Sept. 8, 2019, file photo, New York Jets quarterback Sam Darnold (14) makes a pass during an NFL football game against the Buffalo Bills, in East Rutherford, N.J. Darnold has been cleared by doctors for non-contact activities, but his availability for New York's game at Philadelphia remains uncertain. Coach Adam Gase says Monday, Sept. 30, 2019, that Darnold can begin throwing footballs at practice this week but can't yet lift weights as he continues to recover from a bout with mononucleosis that has sidelined him the last two games. (AP Photo/Steve Luciano, File)
Jets' Darnold cleared for non-contact, uncertain to play

By Dennis Waszak Jr. Sep. 30, 2019 01:11 PM EDT

New York Jets quarterback Sam Darnold (14) throws a pass during the first half of an NFL football game against the Buffalo Bills Sunday, Sept. 8, 2019, in East Rutherford, N.J. (AP Photo/Bill Kostroun)
Jets' Darnold hopes to return to field in Week 5 vs. Eagles

By Dennis Waszak Jr. Sep. 17, 2019 06:06 PM EDT

New York Jets quarterback Sam Darnold (14) throws a pass during the first half of an NFL football game against the Buffalo Bills Sunday, Sept. 8, 2019, in East Rutherford, N.J. (AP Photo/Bill Kostroun)
Jets' Darnold out vs. Browns with mono, could miss weeks

By Dennis Waszak Jr. Sep. 12, 2019 10:57 AM EDT