The move comes on the eve of the NL East division champion Braves' playoff opener against the Philadelphia Phillies. The deal locks in Strider's services though the 2028 season and also includes a $22 million club option for 2029.
Moving from the bullpen to the starting rotation in late May, Strider, 23, has been one of Atlanta's best pitchers this season. He struck out 202 batters in just 131 1/3 innings, pitching to a 2.67 ERA.
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Strider finished the regular season on the injured list with a left oblique strain and his availability for the playoffs is still up in the air.
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Strider joins teammate and fellow NL rookie of the year candidate Michael Harris in securing a multiyear contract before the end of his first major league season. Harris signed an eight-year, $72 million deal in August.
The rookies are the latest in a line of key players to sign long-term extensions with Atlanta. Infielders Matt Olson, Ozzie Albies and Austin Riley, along with star outfielder Ronald Acuña, are all under contract through at least the 2027 season.
This article originally appeared on USA TODAY: Atlanta Braves sign rookie Spencer Strider to six-year, $75M contract