Dustin Johnson withdraws from Valero Texas Open

Dustin Johnson has withdrawn from this week's Valero Texas Open and Ryan Brehm will replace him, the PGA Tour announced Monday.

Johnson was a late addition to the event after being eliminated from the WGC-Match Play in Austin last week, but he ultimately bowed out.

The world No. 1 will be off until next week's Masters, when he'll look to defend his title after winning the green jacket in November.