CANTON, Ohio, March 23 [Category: Sports] -- The National Football League posted the following news: * * * Mac Jones eager to join 'proven system' with 49ers: 'Wanted to surround myself with winners' After a promising rookie season gave way to three seasons of struggles in his time with the Patriots and Jaguars, quarterback Mac Jones is ready for a fresh start. Speaking this week after signing with the San Francisco 49ers in free agency, Jones said that with a choice in front of him as to w  more