Kuchar shares Mayakoba lead as wife caddies for Johnson

Sybi Kuchar joined Matt Kuchar on the course on Thursday, caddying for Zach Johnson as her husband enjoyed a fine round. Matt Kuchar claimed a share of a three-way first-round lead at the Mayakoba Golf Classic as his wife also starred, caddying for Zach Johnson. A bogey-free seven-under 64 took Kuchar to the top of …