HUMBLE, Texas — Roger Penske said Wednesday that Joey Logano and Denny Hamlin have exchanged text messages since their final-lap crash at Fontana last weekend that left Hamlin hospitalized with a fractured vertebra.

Penske said he’s also sent text messages to Hamlin, who is expected to miss at least six weeks. Penske and Logano, one of his drivers, were playing in the pro-am leading up to the PGA Tour’s Houston Open. Logano twice turned down interview requests.

Hamlin acknowledged he exchanged text messages with Logano.

“It didn’t go well,” Hamlin told The Associated Press. “The conversation was both short and unproductive.”

Hamlin was examined Tuesday by Dr. Jerry Petty of Carolina Neurosurgery and Spine Associates, who determined he won’t need back surgery.

“I’ve texted back and forth with him and said that we’re thinking about him,” Penske said. “Obviously, we’re hoping for a speedy recovery. It’s never good to have a driver out for a period of time.”

He didn’t know what Logano and Hamlin said to one another in their text messages. The former Gibbs Racing teammates had a prickly relationship long before Sunday’s wreck. Logano replaced Tony Stewart at JGR in 2009, and signs of a rift between he and Hamlin surfaced after the Daytona 500.