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• Updated Jun 22, 2026 at 3:34pm

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TORONTO, CANADA - JUNE 9: Brandon Valenzuela #59 of the Toronto Blue Jays reacts after hitting a walk-off RBI single to defeat the Philadelphia Phillies during the ninth inning in their MLB game at the Rogers Centre on June 9, 2026 in Toronto, Ontario, Canada. (Photo by Mark Blinch/Getty Images)

The Toronto Blue Jays are set to open up a new series against the Houston Astros this week. The Jays did not play on Sunday due to their game being postponed.

On Monday, it is a premier pitching duel between the Blue Jays and Astros, as Toronto will roll with Dylan Cease (4-3, 2.71 ERA, 110 SO) in game one of the series. Houston will go with Hunter Brown (1-0, 1.10 ERA, 24 SO). Hunter Brown is just making his way back from the Injured List, but is still one of the most dominant pitchers in MLB.

Before the Astros game on Monday, the Blue Jays announced their lineup, and it features a notable change with rookie catcher Brandon Valenzuela.

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Blue Jays’ Brandon Valenzuela Out of Lineup on Monday

GettyTORONTO, CANADA – JUNE 9: Brandon Valenzuela #59 of the Toronto Blue Jays celebrates with teammates after hitting a walk-off RBI single to defeat the Philadelphia Phillies during the ninth inning in their MLB game at the Rogers Centre on June 9, 2026 in Toronto, Ontario, Canada. (Photo by Mark Blinch/Getty Images)

Against the right-handed pitcher Hunter Brown, Brandon Valenzuela is OUT of the Blue Jays lineup for Monday evening’s contest.

UnderdogMLB wrote (on 6/22): Blue Jays 6/22 G. Springer DH N. Lukes RF V. Guerrero Jr. 1B A. Kirk C D. Varsho CF K. Okamoto 3B J. Sánchez LF E. Clement 2B A. Giménez SS D. Cease SP

https://x.com/UnderdogMLB/status/2069138418077208770

It is instead Alejandro Kirk that gets the start for the Blue Jays at catcher. The top three in the Blue Jays order remain the same as their last contest against the Chicago Cubs.