MLB's Best Seasons by Teenagers
Some baseball players begin to make their mark in the big leagues as teenagers. Here are 20 of the best seasons ever by teenagers--10 hitters and 10 pitchers. The players are listed in order of their Wins Above Replacement for the season, using data from Baseball-Reference.
Position Players
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/hlq3mwg0wpokottk00eb.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/hlq3mwg0wpokottk00eb.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/hlq3mwg0wpokottk00eb.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/hlq3mwg0wpokottk00eb.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/hlq3mwg0wpokottk00eb.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/tuubiy27cahsoigplrhl.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/tuubiy27cahsoigplrhl.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/tuubiy27cahsoigplrhl.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/tuubiy27cahsoigplrhl.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/tuubiy27cahsoigplrhl.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/tocvtflzwrvxunibiz8m.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/tocvtflzwrvxunibiz8m.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/tocvtflzwrvxunibiz8m.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/tocvtflzwrvxunibiz8m.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/tocvtflzwrvxunibiz8m.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/etiybfmve01hggihi2eq.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/etiybfmve01hggihi2eq.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/etiybfmve01hggihi2eq.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/etiybfmve01hggihi2eq.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/etiybfmve01hggihi2eq.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/w9kzy5ev8o460dbczqwe.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/w9kzy5ev8o460dbczqwe.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/w9kzy5ev8o460dbczqwe.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/w9kzy5ev8o460dbczqwe.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/w9kzy5ev8o460dbczqwe.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/ftpoxeby2btkjwtrehjg.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/ftpoxeby2btkjwtrehjg.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/ftpoxeby2btkjwtrehjg.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/ftpoxeby2btkjwtrehjg.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/ftpoxeby2btkjwtrehjg.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/pu8b4ugfb4elv8kgfity.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/pu8b4ugfb4elv8kgfity.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/pu8b4ugfb4elv8kgfity.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/pu8b4ugfb4elv8kgfity.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/pu8b4ugfb4elv8kgfity.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/jz0ylrjr0wdtu4mxx5o5.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/jz0ylrjr0wdtu4mxx5o5.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/jz0ylrjr0wdtu4mxx5o5.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/jz0ylrjr0wdtu4mxx5o5.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/jz0ylrjr0wdtu4mxx5o5.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/ppxa1rmktfa3d0jmglqt.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/ppxa1rmktfa3d0jmglqt.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/ppxa1rmktfa3d0jmglqt.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/ppxa1rmktfa3d0jmglqt.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/ppxa1rmktfa3d0jmglqt.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/w3gi7xqwnojukl0cl6m9.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/w3gi7xqwnojukl0cl6m9.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/w3gi7xqwnojukl0cl6m9.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/w3gi7xqwnojukl0cl6m9.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/w3gi7xqwnojukl0cl6m9.jpg 372w)
Pitchers
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/njbbj3eemot1wv3at19q.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/njbbj3eemot1wv3at19q.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/njbbj3eemot1wv3at19q.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/njbbj3eemot1wv3at19q.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/njbbj3eemot1wv3at19q.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/fz2ciyp02ieaxwel6h7r.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/fz2ciyp02ieaxwel6h7r.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/fz2ciyp02ieaxwel6h7r.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/fz2ciyp02ieaxwel6h7r.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/fz2ciyp02ieaxwel6h7r.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/kmxjhotjy4dimnhwpchv.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/kmxjhotjy4dimnhwpchv.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/kmxjhotjy4dimnhwpchv.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/kmxjhotjy4dimnhwpchv.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/kmxjhotjy4dimnhwpchv.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/u7epp3mwn3e09tikbijd.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/u7epp3mwn3e09tikbijd.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/u7epp3mwn3e09tikbijd.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/u7epp3mwn3e09tikbijd.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/u7epp3mwn3e09tikbijd.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/pl4esmwpas5tkqhqbbqm.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/pl4esmwpas5tkqhqbbqm.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/pl4esmwpas5tkqhqbbqm.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/pl4esmwpas5tkqhqbbqm.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/pl4esmwpas5tkqhqbbqm.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/lgra08imvvqm8a9l75kt.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/lgra08imvvqm8a9l75kt.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/lgra08imvvqm8a9l75kt.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/lgra08imvvqm8a9l75kt.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/lgra08imvvqm8a9l75kt.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/chserhvuvk2h1iirf6wz.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/chserhvuvk2h1iirf6wz.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/chserhvuvk2h1iirf6wz.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/chserhvuvk2h1iirf6wz.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/chserhvuvk2h1iirf6wz.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/vhuzycifphjpx5syiozg.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/vhuzycifphjpx5syiozg.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/vhuzycifphjpx5syiozg.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/vhuzycifphjpx5syiozg.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/vhuzycifphjpx5syiozg.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/mghkvqggo08fvolx2p9b.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/mghkvqggo08fvolx2p9b.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/mghkvqggo08fvolx2p9b.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/mghkvqggo08fvolx2p9b.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/mghkvqggo08fvolx2p9b.jpg 372w)
![](http://img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w2208/mlb/letusnl4nog58ps6choe.jpg 2208w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1536/mlb/letusnl4nog58ps6choe.jpg 1536w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w1024/mlb/letusnl4nog58ps6choe.jpg 1024w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w640/mlb/letusnl4nog58ps6choe.jpg 640w, //img.mlbstatic.com/mlb-images/image/private/t_16x9/t_w372/mlb/letusnl4nog58ps6choe.jpg 372w)