Pete Crow-Armstrong joined the 40-40 club on Thursday.

He stole his 40th base.

He also has 45 home runs.

That is the most in the major leagues.

The Chicago Cubs beat the Miami Marlins 2-1.

The Cubs clinched a postseason spot for the second year in a row.

Seiya Suzuki hit a home run for the Cubs.

The Cubs are 88-71.

They got one of the NL's three wild card spots.

Chicago was a wild card last year too.

The Cubs beat San Diego in the first round.

Then they lost to Milwaukee in a Division Series.

This is their first time in a row since 2015-18.

They went four straight years then.

They won the championship in 2016.

That was their first since 1908.

Crow-Armstrong may win the NL MVP award.

Many people think he will win.

He is the seventh 40-40 player.

This group includes Shohei Ohtani and Ronald Acuña Jr.

Jose Canseco was the first.

He did it with the 1988 Oakland Athletics.

Crow-Armstrong is 24 years old.

He walked in the first inning.

Then he stole second on the next pitch.

Fans chanted "MVP."

The Wrigley Field videoboard announced the feat.

Matthew Boyd is 10-5.

He allowed one run and five hits over seven innings.

Ryan Zeferjahn pitched a perfect ninth.

He got his seventh save.

Ian Happ tripled in the sixth.

Then he scored on Nico Hoerner's single.

That broke a 1-1 tie.

Miami is 78-81.

They will have a non-winning season for the third year in a row.