Blue Jays promote Ricky Tiedemann after Guerrero Jr. concussion scare
Yahoo Sports • 1 min read • Latest: Aug 15, 2026, 3:32 PM
Last updated Aug 15, 2026

The Toronto Blue Jays promoted Ricky Tiedemann to the major leagues on August 15. This move follows a concussion scare involving Vladimir Guerrero Jr. during the previous night's game against the Yankees. Guerrero Jr. was evaluated after colliding with a teammate and may require time off. Tiedemann, ranked the Blue Jays' No. 1 prospect before injuries sidetracked him, joins after successfully recovering from surgery. Outfielder Daz Cameron also joined the team after performing well in Triple-A.
- •Tiedemann enters the Blue Jays' roster following Guerrero Jr.'s injury scare.
- •Guerrero Jr. collided with a Yankees player, prompting evaluation.
- •Tiedemann was a top prospect but faced injuries in recent years.
- •Cameron joins the roster after successful performance in Triple-A.
- •Blue Jays may place Guerrero Jr. on the 7-day injured list.
- 3:32 PMYahoo Sports — Blue Jays promote prospect immediately after Vladimir Guerrero Jr. concussion scare
"Two minor leaguers had lockers in the Blue Jays' clubhouse one day after Vladimir Guerrero Jr. was injured
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