MLB: Assessing the NL East GMs at the midway point

Jul 1, 2021; Cumberland, Georgia, USA; Atlanta Braves pinch hitter Ronald Acuna Jr. (13 reacts after getting a single against the New York Mets during the eight inning at Truist Park. Mandatory Credit: Dale Zanine-USA TODAY Sports
Jul 1, 2021; Cumberland, Georgia, USA; Atlanta Braves pinch hitter Ronald Acuna Jr. (13 reacts after getting a single against the New York Mets during the eight inning at Truist Park. Mandatory Credit: Dale Zanine-USA TODAY Sports
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The halfway point of the 2021 MLB season is also an appropriate time to offer a mid-term assessment of the team-building strategies of Major League general managers.

Today: The National League East.

Assessing the NL East GMs at the midway point of the MLB season

It’s an interesting division in part because these mid-term ratings don’t necessarily follow the MLB standings. That’s not unusual. This ratings system is designed to estimate how much of an impact each GM has had. In theory, that means a GM of a bad team could generate a positive score by modestly improving what was a poor talent base, while the GM of a good team might generate a negative score by making only a few unproductive moves to what was initially a very strong ballclub.

We’re assessing GM performance based on the short-term impact of all personnel moves made since the conclusion of the 2020 season. Our rating standard is Wins Above Average, a variant of Wins Above Replacement that is superior for this purpose because it is zero-based.

That means each GM’s score approximately replicates the number of games he has influenced his team’s standing, either for better or for worse, by dint of what he has done to the roster.

Collectively, the NL East has been an ordinary division through the first three months of 2021. They enter play Saturday a collective 10 games under .500, with none of the teams in serious contention for a post-season wild card.

Of course much of each GM’s work remains to be accomplished. With the July 31 trade deadline, the second half of every season is usually more active than the first half. That means these ratings can change significantly between now and October.

With that said, here are the mid-term ratings for the five NL East general managers.