"I drew everyone up, took the hit, threw the ball, and I heard the crowd cheer and I knew we had come up with the win," said Printz, who was 2-of-4 for 39 yards on the drive.
"I knew when it came down to it, it was going to be now or never. I didn't want to live with any regret."
Working behind an offensive line that struggled for most of the game, Printz's mobility was critical on the final drive, evading pressure on both of his completions and escaping for seven yards on fourth-and-three at the West 23.
The Missouri commit was 3-of-7 for 47 yards and one touchdown, adding three yards on four rushes.
The East was only able to generate scores from its offense on its first and last possessions. Quarterback Austin Allen found wide receiver Jordan Smallwood for a 42-yard reception on the first play of the game, helping set up a 41-yard Michael Geiger field goal.
On those two drives, the East had 134 yards of offense on 17 plays. Their other 32 plays gained a total of 40 yards.
Alviti completed his first eight passes, going 5-of-5 for 75 yards on a drive that ended with what was ruled a 25-yard touchdown to uncommitted wide receiver Devon Allen, despite losing the ball as he rolled through the catch at the two-yard line and never actually reaching the end zone with possession.
"It was a good call based on the rule," said Allen, who had six receptions for 67 yards, both game highs. "Without instant replay, it could have been called both ways. That's how it goes sometimes."
Alviti was 10-of-12 for 104 yards and one touchdown, but was critical of an underthrown third-down pass that bounced just short of a sprawling John Ross, who committed to Washington in the third quarter, on the final West possession.
"It was a disappointing way to end the game," Alviti said. "I should have thrown that touchdown pass there at the end, but it was a great experience all week."
Solomon, who is committed to Arizona, was 6-of-9 for 50 yards and found the other Washington-bound receiver, Darrell Daniels, for a nine-yard touchdown. Daniels had delivered a crushing block on outside linebacker Micah Kiser to spring a key Solomon scramble two plays earlier.
"That hit, I felt it too," Daniels said. "I was happy I scored on the slant. He (Solomon) paid me back basically."
Wide receiver Levonte Whitfield added the other East touchdown, breaking away for a 78-yard kickoff return midway through the second quarter. Stretching out to break an invisible finish line as he reached the end zone, the Florida State commit seemed to be mimicking Oregon running back De'Anthony Thomas' celebration from the Fiesta Bowl on Thursday.
Dan Greenspan writes about the Pac-12 for Fox Sports Next. Follow him on Twitter @DanGreenspan