Mental mistakes and no clutch hitting has the Mets facing a sweep at the hands of the worst team in baseball.

The Chicago Cubs have taken the first two games of the series against the Mets after a 5-3 win at Wrigley Field on Tuesday night.

Anthony Rizzo, Darwin Barney and Luis Valbuena each had two hits and an RBI as the Cubbies improved to 26-48.

Trailing 4-3 in the eighth, Ruben Tajada made a wild throw to second base that allowed an insurance run to score, marking New York's four error of the series.

Ike Davis was ejected just prior to the play after getting in the face of first base umpire Manny Gonzalez and brushing him with his mitt. Davis was upset that Steve Clevenger was called safe on a pick-off play at first. Replays showed Davis tagged the Cubs catcher before he got his hand to the bag.

Lucas Duda also made a mistake on the bases. stopping at third on what would have been and RBI double for Davis in the first inning.

The Mets jumped out to 2-0 in the second with four straight tw0-out singles.

But Dillion Gee (5-6) couldn't hold the lead, giving up four runs and nine hits over five innings.

Cubs starter Randy Wells wasn't any better - six hits and four walks in three-plus innings - and was yanked in the fourth after allowing the first two runners on base.

Scott Maine (1-1) allowed a walk and David Wright sacrifice fly to tie the game 3-3, but the Cubs bullpen combined for just two hits over six innings. Carlos Marmol worked the ninth to pick up his fifth save.

After hot start to the game, New York went 2 for 9 with RISP and stranded a 12 on base, losing their fourth straight, falling to 39-36.

The series wraps up at 2:20 Wednesday afternoon.