Five 49ers to keep an eye on in pivotal Week 6 road game vs. Buccaneers

The 49ers have played nothing but close games through the first five weeks of the NFL season.And their Week 6 opponent, the Tampa Bay Buccaneers, have been locked into games that have been even tighter.Both teams enter Sunday’s game with 4-1 records. Although it is months in the distance, this could serve as an NFL playoff preview with the 49ers and Buccaneers sitting alone atop their respective divisions.The 49ers are coming off a 26-23 overtime victory against the Los Angeles Rams. The 49ers’ victories have come by margins of six, five, one and three points.All four of Tampa Bay’s victories — margins of three, one, two and three points — have been squeaked out with last-minute scores.So this figures to be a close game, and the 49ers are going to need strong showings from the following five players, in particular:RG Dominick PuniAfter an outstanding rookie season, 49ers right guard Dominick Puni has not been nearly as effective through the first five games.He will face his biggest challenge on Sunday against 347-pound defensive tackle Vita Vea.Vea is a two-time Pro Bowl selection who is a force as a run-stuffer on the interior. His presence alone...