Jason A. Churchill

Churchill founded Prospect Insider in 2006 after getting his start at InsidethePark.com. He spent several years covering prep, college and pro sports for various newspapers, including The News Tribune and Seattle PI.

Jason spent 4 1/2 years at ESPN and two years at CBS Radio prior to joining HERO Sports in July, 2016.

Find Jason's Mariners podcast, Baseball Things, right here and follow him on Twitter @ProspectInsider.

Stanton, Mariners Want World Series But Aren’t Planning For It There are two ways to handle the Mariners' immediate future. Tear it down or invest in a real shot to win.

By: Jason A. Churchill

On: October 12, 2018

In: Seattle Mariners

With: 4 Comments

2018 Seattle Mariners Prospects of the Year

By: Jason A. Churchill

On: September 18, 2018

In: Prospects, Seattle Mariners

With: 0 Comments

Mariners Starting Pitching: 2018 vs. 2017

By: Jason A. Churchill

On: September 4, 2018

In: Seattle Mariners

With: 0 Comments

Top 40 Prospect Rankings — Post-Deadline Update

By: Jason A. Churchill

On: August 5, 2018

In: Prospects, Seattle Mariners

With: 5 Comments

We’re About To Learn How Committed To Winning This New Mariners Ownership Is

By: Jason A. Churchill

On: July 15, 2018

In: Seattle Mariners

With: 1 Comment

Mariners Should Consider Trading for Leonys Martin … or a Player Like Him

By: Jason A. Churchill

On: July 10, 2018

In: Seattle Mariners

With: 4 Comments

Seattle Mariners 25-Man Roster by Club Control

By: Jason A. Churchill

On: July 10, 2018

In: Seattle Mariners

With: 2 Comments

Top 40 Prospect Rankings

By: Jason A. Churchill

On: July 10, 2018

In: Prospects, Seattle Mariners

With: 7 Comments