Continuity mistake: When Lacy visits Ty at his house, Ty offers her a drink. As he leaves the bar area he has the Perrier bottle and bottle opener in his left hand and the glass with lemon in his right. In the next shot, he's shown handing the glass to Lacy with his left hand and the Perrier bottle and opener is now in his right hand.
Continuity mistake: When Al Cvervik is walks into the golf club, the Judge is standing next to the counter, but when Al says, "it looks good on you though," the judge is about three feet away from the counter. Also, a hat appears on the counter from nowhere, because the judge hangs his up, and Al puts his back on the statue. (00:17:45)
Continuity mistake: At the dinner party, when Ty makes his appearance he walks toward Al Czervick and greets his guests. Watch closely in the background, Lacey is looking in Ty's direction with two guys on her right, but in the following closeup a woman in a red dress has suddenly appeared. (00:32:10)
Continuity mistake: Early in the film, when Ted Knight arrives at the final hole and Rodney calls out "1000 bucks you miss the putt", we initially watch Ted line up the putt and it is only about 2 feet long (shoulder width). The shadow from his head is only a few inches from the hole. After getting flustered by Rodney's bet, Ted again sets up over the ball, and suddenly the putt has doubled in length. More importantly, the sky has changed from mostly sunny to considerably cloudy and the shadow from his head is at least 4 feet from the hole.
Continuity mistake: At the dinner party, when Spaulding gulps down some half-finished drinks left on a table, his unknotted bow-tie is hanging on the left side of his neck. He nearly gags on the last drink and quickly exits the room. In the next shot, outside the restaurant, his unknotted bow-tie is hanging on the right side of his neck. (00:35:25)
Continuity mistake: When Danny is putting his money in the college fund jar, you see the Cheerios box straight, but when it cuts away then cuts back, you see the box moved at an angle. (00:02:55)
Continuity mistake: At the beginning of the movie, Chevy Chase puts on a blindfold and reaches for his clubs, but he knocks a couple of them over and they land on the golf course. After he hits the ball we see a shot of him and Danny from across the pond, but the knocked over golf clubs have disappeared. (00:06:40)
Continuity mistake: During the Big Match scene, Al's character is seen sweating profusely, seemingly in an instant.