He played a number of seasons on the PGA Tour; his best finish being tied for 4th place in the 2012 Northern Trust Open.

[4] At the age of 17, Lyle was diagnosed with acute myeloid leukemia and was confined to his bed for nine months while undergoing chemotherapy treatments at the Royal Children's Hospital.

He began a friendship during that time with PGA Tour member and fellow Australian Robert Allenby.

[8] He was runner-up in the 2006 ING New Zealand PGA Championship, an early season event co-sanctioned by the Nationwide Tour.

Lyle scored a hole-in-one at the Waste Management Phoenix Open in 2011 on the par-3 16th 'Stadium Hole' winning $25,000 for a charity of his choice.

[4] He had his best finish in a PGA Tour event in February 2012 when he tied for 4th place in the Northern Trust Open.

[23][24] In 2021, the PGA Tour of Australasia added the TPS Murray River to their schedule as part of The Players Series.

The tournament was played at Cobram Barooga Golf Club, near his home town, being named in memorial of Lyle.