Zan Rose, Jett Thielke Sign With Grizzlies
Gateway bolsters pitching staff as 25th Anniversary season draws nearer
Sauget, Ill. (March 3, 2025) – The Gateway Grizzlies announce that they have signed right-handed pitchers Zan Rose and Jett Thielke, bringing more talent into the fold as they prepare for the 2025 campaign.
Rose comes to Sauget by way of Tampa, Florida. While he did not see action collegiately in the spring of 2024, he dominated in the Alaskan Summer League as a starter, with a 1.83 ERA, 43 strikeouts, and just 15 walks in 44 1/3 innings over eight appearances. Prior to that, at Winthrop University in 2023, he was a back-end reliever, posting six saves in 21 games with a 3.41 ERA, 45 strikeouts, and 16 walks in 34 1/3 innings.
Thielke hails from Green Bay, Wisconsin, and comes to Gateway after spending the last two years at Belmont University in Nashville, where he threw 16 innings as a graduate student in 2024 with 18 strikeouts and nine walks, posting a 5.63 ERA. In 24 games the year before in 2023, the 6'6" Thielke went 5-1 with a 4.76 ERA in the hitter-friendly Ohio Valley Conference, striking out 57 and walking 19 in 45 1/3 innings.
Before going to Belmont, Thielke put up solid numbers at Madison College in his home state, going 9-2 with a 2.62 ERA, 70 strikeouts, and just 11 walks in 55 innings in 2022 at the JUCO level.
Stay tuned for player signings, promotions, and more in the coming weeks by following the Grizzlies on social media, and on their website at GatewayGrizzlies.com!
The Gateway Grizzlies are a professional baseball team, located a mere 10 minutes from downtown St. Louis in Sauget, Illinois. The Grizzlies offer baseball fans affordable, family fun at Grizzlies Ballpark with a great view of the St. Louis skyline. They have also won two Frontier League Organization of the Year Awards, four West Division titles, and the 2003 Frontier League Championship. For tickets or general information, please visit gatewaygrizzlies.com or call (618) 337-3000.
The Frontier League debuted in 1993, and is the largest of the Major League Baseball Partner Leagues, featuring teams stretching from the Atlantic Ocean to the Mississippi River, and from the Ohio River to the St. Lawrence Seaway. More information and the complete 2025 schedule can be found at frontierleague.com.