4 pts, 3 rebs, 2 blocks per game is what UConn's center averaged. Kenny Hall thinks those stats suck.
2 blocks a game is pretty stout; that's about what Damontre Harris averaged when he was SEC Defensive POY, and would rank you in the top 3 or 4 shot blockers in the SEC just about any year.
Pat Young won SEC defensive POY this year despite only averaging 6 rebounds and 1.1 blocks per game.
Anybody who thinks you don't need a big man, for defensive purposes at the very least, hasn't watched much basketball at all.
Teams may be guard-driven, but playing small-ball doesn't mean having no big men whatsoever; it just means you play with 3 guards instead of with 3 forwards. If a team doesn't have at least 1 significant post presence they will get beaten mercilessly as bigger teams own the paint.
Udonis Haslem has been averaging about 3 points, 4 rebounds, and less than 1 block per game for about 5 years now for the Heat; but he's still a starter for 1 very important reason... to a man, every player he goes up against has said he's the hardest guy to score on that they've played.
Stats tell a story, but not the whole story; stats don't record altered shots, keeping players from getting to the rim, covering the pick-n-roll, switching at the right time, being able to step out and cover the perimeter and get back, or getting over for the double-team promptly.