Back in the Pittsburgh
by Bo Marchionte
@bomarchionte | College2Pro.com
Published November 13, 2025, 4:12 PM
PITTSBURGH, PA – For Sebastian Castro, life in the NFL has been anything but stable.
Two cities, two teams, and two very different locker rooms in just a few months all while trying to prove he belongs.
Castro, a rookie safety out of Iowa, first joined the Pittsburgh Steelers as an undrafted free agent in April 2025. After impressing the Steelers through training camp, he earned a spot on the practice squad. But in late September, the Tampa Bay Buccaneers came calling, signing him to their active roster.
By November, he was back in black and gold claimed off waivers by the Steelers after Tampa Bay released him. It’s been a whirlwind few months for a player to learn the hard truths of the NFL.
“I’m learning more about the business,” Castro said. “I know it’s a week-to-week business, especially being a young guy like me. I’m an undrafted guy, so I’m just trying to make my name, make a good impression wherever I go. Just trying to stick around the league as long as I can.”
That honesty captures what so many young players go through. The NFL is a dream and a business often both at once. One day you’re catching on in Tampa Bay’s secondary, the next you’re back on a flight to Pittsburgh, living out of a suitcase and memorizing another playbook.
“Basically,” Castro said with a smile about living out of his suitcase. “But like I say, it comes with the job. Not getting mad at it. I’m just trying to make my name in this league.”
Despite the movement, he carries no bitterness. His short stay with the Buccaneers gave him a glimpse of what it takes to carve out a role at the next level.
“It was warm out there, which I didn’t mind,” he said. “The city wasn’t bad. The Bucs fans, they like their football team. So, it wasn’t a bad deal.”
The challenge now is picking up where he left off in Pittsburgh, a place he’s already grown comfortable with.
“I was already here since May,” Castro said. “Spending time learning it. I have a pretty good memory, so most of the stuff is still pretty locked in. So, yeah, not too hard.”
Castro’s mindset mirrors countless undrafted players who build NFL careers on short contracts and the unknown. The ones who never know what city they’ll be in next week but keep showing up anyway.
“I just try to leave a good impression wherever I go,” he said. “I know every team is watching for anyone that can add value, so I just try to leave a good impression on my team.”
He’s not bitter, not overwhelmed but just steady. Castro was a solid mini-camp and training camp player. He flashes enough on the field that has kept teams interested in him. It’s with an honest opinion I believe Castro can develop into a solid contributor on Sundays eventually. As we know it can be a whirlwind of change until some guys settle into the place, they call home in the National Football League.
For Castro, this is the NFL dream. However, it can be unglamorous, unpredictable, but still incredibly amazing.
Photo Credit Frank Hyatt/College2Pro.com
