A right-handed batsman and occasional right-arm off-break bowler, he began his first-class cricket career with Cambridge University in 1961, his debut coming against Kent.
He played eleven further first-class matches for Cambridge until the end of 1962, but he did not win a blue for cricket.
[2] Essex finished the 1964 season in tenth place, an improvement on the previous year's performance.
[3] Wilcox made his highest score in May 1965 when, going in to bat against Worcestershire with Essex at 154 for 6, he added 139 for the seventh wicket with Trevor Bailey and finished with 87.
[6] He taught at Alleyn Court Prep School in Westcliff-on-Sea, which his grandfather had founded in 1904, and where his father had been headmaster.