You want a good nominee for most underrated player of the past decade? How about Gardner, even though he has spent his entire career in pinstripes? His career WAR is now 41.6 on Baseball-Reference and 37.0 on FanGraphs. A few of the players he ranks above: Albert Belle, Dave Parker, Dave Concepcion, Maury Wills, Juan Gonzalez, Harold Baines, Roger Maris and Steve Garvey. Players he could pass this season if he matches his 4.0 WAR from 2019: Darryl Strawberry, Don Mattingly, Jose Canseco, Tony Oliva, Al Oliver, Gil Hodges and Lou Brock.