Back-to-back four-strikeout games is apparently what it took for the Minnesota Twins to finally pull the plug and send Matt Wallner to Triple-A.

The Forest Lake native has been striking out at an alarming rate all season, and consecutive 0-for-4 performances with eight combined strikeouts over the last two games have led to the Twins optioning him and relief pitcher Travis Adams to the St. Paul Saints on Thursday.

Right-hander Zebby Matthews, who will start Thursday's game against the Marlins, and outfielder Ryan Kriedler have been called up to the big-league roster.

Twenty-five players in the big leagues have struck out at least 50 times this season, and Wallner ranks 15th with 53 strikeouts.…