Seattle Seahawks rookie quarterback Jalen Milroe could have a big opportunity to prove himself early in this NFL season.

Jalen Milroe, running the No. 3 offense, made some strong throws and showed some accountability at Seahawks training camp. Here's what else we learned.

Sam Darnold is the shiny new guy, a three-year, $100.5 million signee. Drew Lock is the veteran backup. And Jalen Milroe is the tantalizing rookie. It's Milroe that many in Seattle are excited about, even though he might open the season as QB3.