Watford sign centre-half Mattie Pollock from Grimsby
The 19-year-old made a total of 58 appearances for the Mariners.

Your support helps us to tell the story
From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or producing our latest documentary, 'The A Word', which shines a light on the American women fighting for reproductive rights, we know how important it is to parse out the facts from the messaging.
At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.
The Independent is trusted by Americans across the entire political spectrum. And unlike many other quality news outlets, we choose not to lock Americans out of our reporting and analysis with paywalls. We believe quality journalism should be available to everyone, paid for by those who can afford it.
Your support makes all the difference.Watford have confirmed the signing of centre-half Mattie Pollock from Grimsby on a five-year deal for an initial fee of £250,000.
Pollock, 19, made a total of 58 appearances for the Mariners, scoring four goals – all of which came in the 2020-21 season.
The defender had a spell with Leeds as a youngster before joining Grimsby’s academy set-up in the summer of 2018.
A statement on the Grimsby website read: “We would like to thank Mattie for his efforts whilst at the club and we wish him every success with his new club.”