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Boston Red Sox Regular Season Team Grades

With the 2021 season coming to an end for the 2021 Boston Red Sox, it is time to evaluate the full body of work. To start, the regular season will be under review. Just how good were the Red Sox this year? Finishing with a better than expected 91 wins, this team took everyone by surprise and fell just two wins shy of a World Series berth.

To evaluate the regular season, we will create criteria based on factors that help us determine how the Red Sox performed, both on the offensive and defensive sides. Also, we compare the Red Sox’ performances relative to the rest of the league.

Offensive Criteria

In addition, the Red Sox and every other team were evaluated using six different categories. The idea is that each category represents a facet of offense. So, we will be able to evaluate teams regarding runs scored, hitting for average, slugging, and performance on the bases. You may notice that BsR (baserunning) is used rather than stolen bases. That is because BsR incorporates stolen bases, caught stealings, taking extra bases, and being thrown out on the bases. With BsR, we can get a more holistic idea of a team’s performance on the bases.

Scale

To clarify, each team’s offense was ranked as “good”, “OK”, or “poor” based on their rank. For example, if a team finished in the top third of the league, then it was considered good, and they received two points for that accomplishment. If a team finished in the middle third, then it was placed into the OK group and received one point. Teams in the bottom third are in the poor group and they get a point taken away. Therefore, Each team then gets an overall score where they will be ranked and put into an overall good, OK, and poor group based on what third of the league they finished in.

+2 Good Top Third
+1 Ok Middle Third
-1 Poor Bottom Third

Offensive Rankings

The Red Sox’ offense was amongst the league’s best. They finished top ten in runs scored (829), RBI (783), AVG (.261), OBP (.328), and SLG (.449). When you have the likes of Rafael Devers, Xander Bogaerts, and J.D. Martinez, that isn’t much of a surprise.  The team was in the bottom third in BsR. That seems just about right for a team that had its’ catcher, Christian Vazquez lead the team in steals with eight.

MLB Offensive Grades

Team Runs Scored RBI AVG OBP SLG BsR Result
Boston Red Sox +2 +2 +2 +2 +2 -1 Good
Chicago White Sox +2 +2 +2 +2 +2 +1 Good
Los Angeles Dodgers +2 +2 +1 +2 +2 +2 Good
Toronto Blue Jays +2 +2 +2 +2 +2 +1 Good
Tampa Bay Rays +2 +2 +1 +1 +2 +2 Good
San Francisco Giants +2 +2 +2 +2 +2 -1 Good
Atlanta Braves +2 +2 +1 +1 +2 +1 Good
Houston Astros +2 +2 +2 +2 +2 -1 Good
Colorado Rockies +1 +2 +2 +1 +1 +2 Good
Cincinnati Reds +2 +2 +2 +2 +2 -1 Good
Minnesota Twins +1 +1 +1 +1 +2 +1 Ok
St. Louis Cardinals +1 +1 +1 +1 +1 +2 Ok
Philadelphia Phillies +1 +1 +1 +1 +1 +2 Ok
Washington Nationals +1 +1 +2 +2 +1 -1 Ok
Oakland Athletics +2 +1 -1 +1 +1 +1 Ok
Los Angeles Angels +1 +1 +2 -1 +1 +1 Ok
San Diego Padres +1 +1 +1 +2 -1 +1 Ok
Cleveland +1 +1 -1 -1 +1 +2 Ok
Milwaukee Brewers +1 +1 -1 +1 -1 +2 Ok
New York Yankees +1 +1 -1 +2 +1 -1 Ok
Kansas City Royals -1 -1 +2 -1 -1 +2 Poor
Detroit Tigers -1 -1 +1 -1 -1 +1 Poor
New York Mets -1 -1 +1 +1 -1 -1 Poor
Baltimore Orioles -1 -1 +1 -1 -1 -1 Poor
Chicago Cubs -1 -1 -1 +1 +1 -1 Poor
Pittsburgh Pirates -1 -1 -1 -1 -1 +1 Poor
Miami Marlins -1 -1 -1 -1 -1 +1 Poor
Arizona Diamondbacks -1 -1 -1 -1 -1 +1 Poor
Texas Rangers -1 -1 -1 -1 -1 +1 Poor
Seattle Mariners -1 -1 -1 -1 -1 -1 Poor

Defense Criteria

Just like offense, teams will be placed into the “good”, “OK”, and “poor” categories. Each of these categories encompasses an element on each level of defense. Runs allowed accounts for pitcher performance, FRM (pitch framing) accounts for catcher performance, and UZR helps to evaluate the other fielders.

To the surprise of some, the Red Sox finished as a middle-of-the-road defensive team. Each of the categories saw them finish in the middle third of the league. Although that is the case, they were very close to falling into the poor category for each. In addition. The Red Sox finished 18th in runs allowed (749), 19th in FRM (0.4), and 19th in UZR (-5.1).

MLB Defensive Grades

Team Runs Allowed FRM UZR Result
Boston Red Sox +1 +1 +1 Ok
Milwaukee Brewers +2 +2 +2 Good
Tampa Bay Rays +2 +2 +2 Good
Toronto Blue Jays +2 +2 +2 Good
San Francisco Giants +2 +2 +1 Good
Houston Astros +2 +1 +2 Good
New York Yankees +2 +1 +1 Good
Atlanta Braves +2 +1 +1 Good
Oakland Athletics +1 +2 +1 Good
Cleveland +1 +1 +2 Good
Philadelphia Phillies +1 +2 +1 Good
Los Angeles Dodgers +2 +2 -1 Ok
Chicago White Sox +2 -1 +2 Ok
Miami Marlins +1 +1 +1 Ok
Texas Rangers -1 +2 +2 Ok
New York Mets +2 +1 -1 Ok
St. Louis Cardinals +1 -1 +2 Ok
Colorado Rockies -1 +1 +2 Ok
Cincinnati Reds +1 +1 -1 Ok
Kansas City Royals -1 -1 +2 Poor
Minnesota Twins -1 +2 -1 Poor
Pittsburgh Pirates -1 +2 -1 Poor
San Diego Padres +1 -1 -1 Poor
Seattle Mariners +1 -1 -1 Poor
Detroit Tigers +1 -1 -1 Poor
Los Angeles Angels -1 +1 -1 Poor
Chicago Cubs -1 -1 +1 Poor
Arizona Diamondbacks -1 -1 +1 Poor
Baltimore Orioles -1 -1 +1 Poor
Washington Nationals -1 -1 -1 Poor
 
Offense Defense No. of teams Playoff %
Good Good 5 80%
Ok Good 5 40%
Good Ok 5 60%
Ok Ok 1 0%
Poor Good 0 0%
Good Poor 0 0%
Poor Ok 3 0%
Ok Poor 4 0%
Poor Poor 7 0%

 

Main Photo:

Embed from Getty Images

Players Mentioned:

Rafael Devers, Xander BogaertsJ.D. MartinezChristian Vazquez

 

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