Sylvia Fowles scored 20 points and helped the Lynx control the boards.
At 4-0 the Lynx are the only undefeated team in the WNBA, but there are plenty of things that need to be better for them to keep winning.
The Lynx (4-0) and Sun (0-3) complete their home-and-home series, which started Tuesday in Minnesota with the Lynx winning 80-78.
The Minnesota Lynx just keep rolling in May.
Epiphanny Prince hit a go-ahead jumper with 4.5 seconds left and the New York Liberty held off the Phoenix Mercury 69-67 on Tuesday night.
The Lynx turned the ball over 22 times against the Sun. But they escaped with a home victory after almost blowing a 13-point lead in the fourth quarter.
Minnesota remains perfect in May (21-0) dating back to 2012. Minnesota won Tuesday despite 22 turnovers.
Sylvia Fowles had 21 points, 13 rebounds and four blocks to help the Minnesota Lynx beat the Connecticut Sun 80-78 on Tuesday night.
There also was a moment of silence to honor the victims of the bombing in Great Britain.
Maya Moore, Lindsay Whalen and Seimone Augustus took the winter off to rest.
The five Olympic champions from the Minnesota Lynx are getting a little more hardware.
"I can hardly wait," former Gopher and Lakeville high school star Rachel Banham said about facing the Lynx at the X. "I worked hard for this."
The Lynx are the WNBA's first 3-0 team while the Sun (0-2) is one of two WNBA teams yet to win.
Lynx play host to Connecticut at Xcel Energy Center on Tuesday night.
Sylvia Fowles scored 27 points and Seimone Augustus hit the tie-breaking jumper with 4.3 seconds left to lift the Minnesota Lynx to an 89-87 win over the Dallas Wings on Saturday night.
Her jumper broke a late tie in a thriller with Dallas.
The Lynx are 2-0 and the well-rested Wings, with seven players in their first or second season, opened with a 68-58 victory over Phoenix on Sunday.
All five of the Lynx starters were in double figures, with Maya Moore scoring 16; Lindsay Whalen and Sylvia Fowles each added 12.
The Lynx on Sunday overcame a woeful offensive showing versus Chicago thanks to Sylvia Fowles' scoring in the paint. But that alone won't be enough Thursday against the Liberty.
The Lynx, ranked No. 2 in the WNBA's power rankings, and the Liberty, ranked No. 4, each opened the season with victories that left their coaches less than satisfied.