BOSTON — Even a walk-off victory on the final day of the season was tinged with disappointment for these Boston Red Sox.

Eduardo Rodriguez missed out on a 20-win season when Boston’s bullpen blew a late lead, but the Red Sox overcame a soaring home run robbery by Stevie Wilkerson to beat the Baltimore Orioles 5-4 Sunday in the regular season finale on Mookie Betts’ ninth-inning dash home.

Betts scored from first on a single by Rafael Devers with no outs. Devers’ hit caromed off shortstop Richie Martin’s glove, causing Wilkerson to hesitate in right. Betts beat a late throw by Wilkerson to give his team a celebratory cap to a frustrating season.

“I think everybody was kind of ready to go. So I just decided to go home,” Betts said.

Wilkerson made a late entry for catch of the year in the eighth. He chased Jackie Bradley Jr.’s fly ball to the edge of the visitors’ bullpen, leaped over the short wall and pulled back Bradley’s would-be homer while nearly tumbling into the seats.

Brandon Workman (10-1) pitched one inning and struck out three to pick up the victory. Dillion Tate (0-2) got the loss for Baltimore (54-108), which was denied its first sweep of the season.

Rodriguez pitched seven innings and was pulled with Boston leading 4-3, putting him in line for a career-high 20th win. But then Baltimore’s Hanser Alberto reached on an error by shortstop Xander Bogaerts leading off the eighth and scored the tying run when Jonathan Villar singled off Matt Barnes.

Boston finished 84-78 a year after winning a franchise-record 108 games during the regular season. The Orioles made a six-game improvement from 2018.

The Red Sox are the 10th team since 2000 to win the World Series and not qualify for the postseason the following year.

UP NEXT — Orioles: Opening Day for next season is set for March 26 against the Yankees.

Red Sox: Begin 2020 regular season March 26 at Toronto, with home opener set for April 2 against the White Sox.