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Summary
This particular prospect has a special place in the hearts most of Astros fans, because his last name reminds them of the Hall of Fame career his dad had in Houston. At 6'2", Craig's son is a few inches taller than his dad, and from the left side of the plate, his stance is much louder than his father's – he sort of has a Bonds/Sheffield wiggle at the top of his swing. But, once he settles in and takes his line drive swing, it's a pretty thing to watch:
There isn't a whole lot of question when it comes to Biggio's bat. Most scouting reports cite his advanced plate approach for a high schooler, the way he squares up balls and uses the entire field, as well as the modest power potential he possesses.
The others tools are where scouts have questions. Biggio doesn't have a great arm or speed, nor does he doesn't have a set defensive position, at this point. Some think he'll be able to stick at third. Some think his arm will force a move to second. And some profile him as a corner outfielder.
Biggio's another 2.1 candidate for the Astros, and potentially 3.1, if signability becomes a huge concern. If you draft Biggio, you're betting on the high schooler's advanced bat to carry him through the minors. Even then, he still needs to develop at least average power, and stick at third – possibly second – to warrant his draft spot/signing bonus.
UPDATE (6/1): Honestly, not much has changed regarding Biggio's tools or draft credentials. He's had a solid season, and is still a very similar prospect to what he was a few months ago. His bat is still his calling card, and his only real endearing quality ... other than his last name, of course.
Major League Floor
Utility player who occasionally starts at various infield positions.
Major League Ceiling
I think Biggio's ceiling is similar to Neil Walker's. Prime seasons of .280/.340 with 10-15 home runes and 10 stolen bases.
Projected Draft Round
Baseball America has him ranked 37th overall. Keith Law has him outside his Top 30. Jonathan Mayo ranks him 26th overall. Minor League Ball has him ranked 50th overall.
UPDATE (6/1): He's projected to go in the second or third round. Second round is a little too rich for my taste, but I'd strongly consider him at 3-1, if he was available.
College Commitment: Notre Dame, Will He Sign?
His commitment to Virginia Notre Dame might make him a tough sign, causing teams to stray away from him on draft night. But, if there's one team he's almost a lock to sign with, you gotta think it's the Astros.
UPDATE (6/1): He's probably going to college to play with his brother, but you have to believe he'd sign with the Astros, if drafted, right? He'd have to.
Bibliography
That's right, the last name means what you think: This is Craig's kid. And he was even coached by the future Hall of Famer.
Biggio had a very solid summer with the bat, showing an ability to hit the ball hard consistently against good competition. He has a little power and some feel he'll grow into some more.
The biggest question is where he profiles defensively. He might fit well as a second baseman, where his left-handed bat would be of value. Will he have enough power to play a corner position? Is he fast enough to play center field? Those questions need to be answered, but his hitting ability, his instincts and, of course, his bloodlines, should get him plenty of attention in the spring.