The fourth Signature Event of the PGA TOUR season is underway at Harbour Town at the RBC Heritage.

Matt Fitzpatrick chases his second tartan jacket as he holds a three-shot lead at 17-under par heading into the final round, thanks to a third-round, 3-under 68. Scottie Scheffler, the 2024 champion, posts a 64 on Moving Day and sits in second at 14-under, setting up a Sunday duel between the two past RBC Heritage champions. Brian Harman, Si Woo Kim and Sepp Straka are tied for third at 12-under.

Here's everything you need to know to follow all the action from Harbour Town.

How to watch (all times ET)

Special programming alert:

• PGA TOUR LIVE Betcast presented by DraftKings: Get your betting coverage and analysis for the RBC Heritage on ESPN+ throughout the week for an all-day, watch-and-bet experience for golf fans.
  • Sunday: 7 a.m.-6 p.m.
• Season 4 of Netflix's "Full Swing" premieres Friday, April 17

Television:

• Sunday: 1-3 p.m., Golf Channel; 3-6 p.m., CBS, Paramount+

PGA TOUR LIVE on ESPN+:

• Sunday: 7 a.m.-6 p.m.

PGA TOUR LIVE is available exclusively on ESPN+ and consists of four streams:

• Main feed (Stream 1): Primary tournament coverage featuring the best action from across the course
• Marquee group (Stream 2): New "Marquee group" showcasing every shot from each player in the group
• Featured groups (Stream 3): Traditional PGA TOUR LIVE coverage of two concurrent featured groups
• Betcast presented by DraftKings (Stream 4): Betting coverage and analysis throughout the week

PGA TOUR Radio on SiriusXM and free at PGATOUR.COM/liveaudio:

• Sunday: 1-6 p.m.

Featured groups

Sunday

Marquee group

• 7:22 a.m.: Jake Knapp, Max Homa

Featured groups

• 7:04 a.m.: Justin Thomas, Billy Horschel
• 10:15 a.m.: Maverick McNealy, Jordan Spieth

Featured holes

• No. 17 (par 3)