"Once we got down to overtime I was cheering like a fan," Starr said. "It was kind of fun."
Starr (6-3, 230) said he and other USC recruits were glued to the game, including five-star defensive tackle prospect Ellis McCarthy and fellow Trojan commits Jordan Simmons, defensive end Pio Vatuvei and fullback Jahleel Pineer.
McCarthy, a 6-5, 295-pound lineman from Monrovia High, seemed high on the Trojans, from what Starr could tell.
"Ellis definitely likes USC," Starr said. "I think he is going to heavily consider USC. I was just talking to him about what could be [if McCarthy chose to attend USC].
Saturday's Pac-12 matchup brought a sold-out crowd to the Coliseum, who was standing for nearly four-plus hours including the overtime periods.
The atmosphere made Starr even more excited about coming to play football at USC.
"It kind of seemed like it was back to the old days of how USC was [with the] sell-out crowd, and just the atmosphere [but] I wish we could have gotten the W.
"You can't win every game, but those types of games will make you better," he said.