it >> reporter: there's also some sweeping changes at every base except home. part of the effort to create more dynamism in baseball is the size of the bags this is 2022 this is 2023 the expectation is you can steal more bases and have fewer injuries with a larger bag. speedsters like jon berti are planning on a base-stealing bonanza. so you're looking at this bag right here. >> it's nice it's nice and big. >> so you like this. this is a good thing >> yeah. i mean, you know, hopefully it encourages more of, you know, old school type baseball, more athleticism, more base stealing >> reporter: it's america's pastime with an eye clearly on the future sam brock, nbc news, jupiter, florida up next for us here tonight, unfinished gestures of love strangers knitting loose ends and inspiring america.