Round 4 of the RBC Heritage gets underway Sunday from Harbour Town. Here's everything you need to know to follow the action.

Round 4 tee times

Round 4 leaderboard

HOW TO FOLLOW

TELEVISION: Thursday-Friday, 3-6 p.m. ET (Golf Channel). Saturday-Sunday, 1-2:45 p.m. (GC), 3-6 p.m. (CBS).

PGA TOUR LIVE: Thursday-Friday, 7:15 a.m.-6 p.m. (Featured Groups). Saturday, 10:30 a.m.-3 p.m. (Featured Groups), 3-6 p.m. (Featured Holes). Sunday, 8:30 a.m.-3 p.m. (Featured Groups), 3-6 p.m. (Featured Holes). International subscribers (via GOLF.tv): Thursday-Friday, 11:15 to 22:00 GMT. Saturday-Sunday, 13:00 to 22:00.

RADIO: Thursday-Friday, noon-6 p.m.; Saturday-Sunday 1-6 p.m. (PGA TOUR Radio on SiriusXM and PGATOUR.com).

NOTABLE TEE TIMES

Patrick Cantlay, Scott Piercy: 1:45 p.m. ET
Rory Sabbatini, Shane Lowry: 1:55 p.m. ET
Dustin Johnson, Ian Poulter: 2:05 p.m. ET

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CALL OF THE DAY