Baseball Glove Size Chart by Age & Position (2026 Guide)

Buying a baseball glove sounds simple until you realize an 11-year-old shortstop, an 11-year-old pitcher, and an 11-year-old outfielder all need different sizes — and a catcher’s mitt isn’t measured the same way as any of them. Glove size affects everything from how quickly a fielder can transfer the ball to how easily a young … Read more

OPS in Baseball Explained: Formula, Scale & Leaders

OPS stands for On-base Plus Slugging, and it might be the single most useful offensive stat in baseball. Add a hitter’s on-base percentage to their slugging percentage and you get one number that tells you almost everything about their offensive value: how often they reach base and how much damage they do when they hit … Read more

PSA Grading Scale Explained: Every Grade From 1-10 (2026)

Here’s the single most important concept in the entire baseball card hobby: the same card can be worth $50 ungraded and $4,500 in PSA 10. Not because the card itself is different, but because Professional Sports Authenticator put a tiny number on a plastic slab. The 1989 Upper Deck Ken Griffey Jr. is the textbook … Read more

Most Valuable Baseball Cards Ever Sold: Top 25 (2026)

The most expensive baseball card ever sold went for $12.6 million. That happened in August 2022 — a 1952 Topps Mickey Mantle in pristine SGC 9.5 condition, sold by Heritage Auctions in a single 90-second bidding war that started above $10 million and never looked back. The buyer was anonymous. The seller had owned the … Read more

Junk Wax Era Baseball Cards: Are They Worth Anything?

If you have a box of baseball cards from the late 1980s or early 1990s sitting in your parents’ attic, I have some honest news for you. Most of them are worth less than the cardboard they’re printed on. The cards that everyone thought would pay for college — the Canseco rookies, the Chipper Jones … Read more

Batter’s Box Dimensions for Baseball and Softball

The batter’s box is one of those baseball measurements that fans rarely think about until they need to know it. The boxes get re-chalked before every game, players know exactly where to stand without thinking about it, and unless someone gets called out for stepping out, the dimensions never come up. For coaches building practice … Read more

Infield Fly Rule Explained (With Decision Chart)

The infield fly rule is the most frequently misunderstood rule in baseball, and the people who get it wrong loudest are usually the ones who think they understand it. The rule exists for one specific reason — to prevent a defensive trick play that would otherwise be unstoppable — but the way it actually works … Read more

Softball Dropped Third Strike Rule

The dropped third strike rule in softball confuses players, parents, and even some coaches because it works differently than they expect — and differently between fastpitch and slowpitch. The basic rule mirrors baseball’s, but softball adds its own layers: the orange safety base, the no-leadoff context, and the fact that the rule isn’t even used … Read more

High School Baseball Field Dimensions

If you’ve ever stepped onto a high school baseball field after years of watching MLB games on TV, you might be surprised how similar everything looks. That’s not an accident — high school baseball under NFHS rules uses essentially the same field dimensions as Major League Baseball. The infield is identical. The pitcher’s mound is … Read more