just four teams
Sports - The Washington Post
Column: After historic regular season, Acuña gets a chance to really shine in playoffs, National Sports
Who will go 40-40 next? 👀, home run
As MLB's 40-40 club grows, remember the Nationals' Alfonso Soriano - The Washington Post
2015 July at Nationals Arm Race
MLB 40-40 club: Players with 40 HR, 40 steals including Ronald Acuña
The top home run achievement ever for all 30 MLB teams - ESPN
Today in Nationals' History: Soriano joins the 40–40 club, by Nationals Communications
Column: After historic regular season, Acuña gets a chance to really shine in playoffs, National Sports
The Braves' Ronald Acuna Junior joins the 40-40 club - Good Morning America
MIL@WSH: Soriano joins 40/40 club