The NBA playoffs are underway with four more series beginning on Sunday.

The latest: The slate is bookended by two potential blowouts as the No. 1 seeded Boston Celtics and Oklahoma City Thunder host the Miami Heat and New Orleans Pelicans. Both home teams are heavy favourites. Elsewhere, the Giannis Antetokounmpo-less Milwaukee Bucks are underdogs to the Indiana Pacers while the Los Angeles Clippers host the Dallas Mavericks.

Check out today's basketball schedule and our NBA playoff odds for April 21.

NBA odds: April 21

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Miami Heat vs. Boston Celtics

Dallas Mavericks vs. Los Angeles Clippers

Indiana Pacers vs. Milwaukee Bucks

New Orleans Pelicans vs. Oklahoma City Thunder

Betting insights

• Boston was a league-best 37-4 at home with a +15.5 net rating. The Celtics covered the spread in 22 of those games (56.4%). Miami was 17-9 ATS as a road dog this year.
  
• Dallas went 16-4 SU and ATS to close out the season while Los Angeles went 10-10 SU and 6-14 ATS.
  
• Indiana went 4-1 against Milwaukee this year but the teams haven't played since January 1. The Bucks went 17-19 with a +1.2 net rating with Doc Rivers as the head coach.

• New Orleans was a league-best 14-5-1 ATS as a road underdog but will be without Zion Williamson in Game 1. The Pelicans did go 8-5 without Zion this year but lost by 24 points to the Thunder with him sidelined.