Jalen Ramsey Gets His Baby Mama A Birthday Rolex, 'Icier Than Me!'

[[tmz:video id="1_mreq52qt"]] Forget being the best DB in the NFL ... Jalen Ramsey is gunnin' for best BF honors -- 'cause the Jacksonville Jaguars superstar got his baby mama a DOPE Rolex for her birthday!!! Of course, JR is famously dating Giants WR…