Overnight Nielsen ratings over Memorial Day weekend were topped by NBA Playoff games, the Indianapolis 500 and NASCAR's Coca-Cola 600. Fox aired its second MLB primetime telecast of the season, earning a 2.3 overnight rating for coverage featuring Phillies-Cardinals (47%) and Rays-Red Sox (25%). That figure is down 18% from a 2.8 overnight during Memorial Day weekend last year, when primetime coverage featured Cardinals-Rockies and Reds-Braves. CBS earned a 1.9 overnight for the final round of the PGA Tour Crowne Plaza Invitational on Sunday, which saw Zach Johnson defeat Jason Dufner. That figure is down 10% from a 2.1 overnight for last year, when David Toms won the event. On cable TV, ESPN earned a 0.5 overnight for the Loyola (MD)-Maryland men's lacrosse championship Monday, down from a 0.6 for Maryland-Virginia last year. ESPN also earned a 0.9 overnight for its "Sunday Night Baseball" telecast featuring Nationals-Braves, down from a 1.3 rating for Reds-Braves last year.
The chart below lists overnight Nielsen ratings from sports telecasts during the Memorial Day holiday weekend.
| TELECAST | DATE | NET | TIME (ET) | RAT. |
| NASCAR Nationwide Series: History 300 | 5/26 | ABC | 2:45-5:45pm | 1.6 |
| "NBA Countdown" | 5/26 | ABC | 7:30-8:00pm | 1.8 |
NBA Eastern Conference Semifinals:
Celtics-76ers: Game Seven | 5/26 | ABC | 8:00-10:45pm | 5.5 |
| MLB: (regional) | 5/26 | Fox | 7:15-9:45pm | 2.3 |
| PGA Tour: Crowne Plaza Invitational: Third Round | 5/26 | CBS | 3:00-6:00pm | 1.2 |
| Red Bull Signature Series: X-Fighters (taped) | 5/26 | NBC | 2:00-3:00pm | 0.5 |
| Senior PGA Championship: Third Round | 5/26 | NBC | 3:00-6:00pm | 0.4 |
| Izod IndyCar Series: Indianapolis 500 | 5/27 | ABC | 12:00-3:45pm | 4.1 |
| PGA Tour: Crowne Plaza Invitational: Final Round | 5/27 | CBS | 3:00-6:00pm | 1.9 |
| NASCAR Sprint Cup: Coca-Cola 600 | 5/27 | Fox | 6:30-10:15pm | 4.1 |
| French Open: Men's, Women's First Round | 5/27 | NBC | 12:00-3:00pm | 0.9 |
| Senior PGA Championship: Final Round | 5/27 | NBC | 3:00-6:00pm | 0.5 |
