Walker was drafted by the [[Chicago Cubs]] in the 16th round of the [[2009 MLB Draft]], after attending [[Judge Memorial Catholic High School]] but did not sign. Walker was drafted again this time by the [[Philadelphia Phillies]] in the 38th round of the [[2010 MLB Draft]] but did not sign. He attended [[Central Arizona College]].<ref>{{Cite web |url=http://www.gjsentinel.com/sports/articles/never_walking_central_arizonas |title=Never walking: Central Arizona’s Keenyn Walker has speed to burn | GJSentinel.com |access-date=2017-04-04 |archive-url=https://web.archive.org/web/20170405170608/http://www.gjsentinel.com/sports/articles/never_walking_central_arizonas |archive-date=2017-04-05 |url-status=dead }}</ref> Walker was drafted for the third year in a row, by the [[Chicago White Sox]] in the 1st round (47th overall) of the [[2011 MLB Draft]]. Walker started his baseball career in 2011 at the Rookie level with the [[Great Falls Voyagers]]<ref>{{Cite news|url=http://archive.sltrib.com/story.php?ref=/sltrib/sports/52247328-77/walker-baseball-sox-falls.html.csp|title=Ex-Judge Memorial star Keenyn Walker gets quick start in White Sox system|work=The Salt Lake Tribune|access-date=2018-03-16|language=en-US}}</ref> and then was promoted to [[Class A (baseball)|Class A]] [[Kannapolis Intimidators]]. In 2011 combined, Walker hit .257 in 222 at-bats with no [[Homeruns|HRs]], 24 [[runs batted in|RBI]], and 21 [[Stolen base|SBs]]. In 2012, Walker started the year at Kannapolis but was later promoted to [[Class A-Advanced]] [[Winston-Salem Dash]]. In 2012 combined, Walker hit .267 in 409 at-bats with four home runs, 55 RBI, and 56 stolen bases. Before the 2013 season, Walker was ranked the White Sox #8 prospect.<ref name=”White Sox 2013 Prospect Watch”>{{cite web |url=http://chicago.whitesox.mlb.com/mlb/prospects/watch/y2013/index.jsp?c_id=cws#list=cws |title=White Sox 2013 Prospect Watch |publisher=Chicago.whitesox.mlb.com |access-date=December 14, 2013 |archive-date=April 20, 2019 |archive-url=https://web.archive.org/web/20190420154417/http://chicago.whitesox.mlb.com/mlb/prospects/watch/y2013/index.jsp?c_id=cws#list=cws |url-status=dead }}</ref> Walker was promoted to [[Double-A (baseball)|Double-A]] [[Birmingham Barons]] before the start of the 2013 season. Walker spent the entire season in Birmingham and he batted .201 in 462 at bats with three home runs, 32 RBI, and 38 stolen bases. Walker split the 2014 and 2015 seasons between the advanced Single-A [[Winston-Salem Dash]] and Double-A [[Birmingham Barons]], slashing .197/.277/.265 between the two in 2014, and .226/.308/.286 in 2015. Walker spent the entirety of 2016 in Birmingham, hitting .240/.330/.340 with 3 home runs and 28 RBI in 329 at-bats.<ref>{{Cite web|url=https://www.baseball-reference.com/register/player.fcgi?id=walker001kee|title = Keenyn Walker Minor & Independent Leagues Statistics & History}}</ref> Walker was released by the White Sox on April 4, 2017.<ref>{{cite web|url=https://www.mlbtraderumors.com/2017/04/mets-sign-josh-rodriguez-minors.html|title=Minor MLB Transactions: 4/4/17|work=MLB Trade Rumors|date=April 4, 2017|access-date=April 4, 2017|first=Steve|last=Adams}}</ref>
Walker was drafted by the [[Chicago Cubs]] in the 16th round of the [[2009 ]], after attending [[Judge Memorial Catholic High School]] but did not sign. Walker was drafted again this time by the [[Philadelphia Phillies]] in the 38th round of the [[2010 ]] but did not sign. He attended [[Central Arizona College]].<ref>{{Cite web |url=http://www.gjsentinel.com/sports/articles/never_walking_central_arizonas |title=Never walking: Central Arizona’s Keenyn Walker has speed to burn | GJSentinel.com |access-date=2017-04-04 |archive-url=https://web.archive.org/web/20170405170608/http://www.gjsentinel.com/sports/articles/never_walking_central_arizonas |archive-date=2017-04-05 |url-status=dead }}</ref> Walker was drafted for the third year in a row, by the [[Chicago White Sox]] in the round (47th overall) of the [[2011 ]]. Walker started his baseball career in 2011 at the Rookie level with the [[Great Falls Voyagers]]<ref>{{Cite news|url=http://archive.sltrib.com/story.php?ref=/sltrib/sports/52247328-77/walker-baseball-sox-falls.html.csp|title=Ex-Judge Memorial star Keenyn Walker gets quick start in White Sox system|work=The Salt Lake Tribune|access-date=2018-03-16|language=en-US}}</ref> and then was promoted to [[Class A (baseball)|A]] [[Kannapolis Intimidators]]. In 2011 combined, Walker hit .257 in 222 at-bats with no [[Homeruns|]], 24 [[runs batted in|RBI]], and 21 [[Stolen base|]]. In 2012, Walker started the year at Kannapolis but was later promoted to [[Class A-Advanced]] [[Winston-Salem Dash]]. In 2012 combined, Walker hit .267 in 409 at-bats with four home runs, 55 RBI, and 56 stolen bases. Before the 2013 season, Walker was ranked the White Sox #8 prospect.<ref name=”White Sox 2013 Prospect Watch”>{{cite web |url=http://chicago.whitesox.mlb.com/mlb/prospects/watch/y2013/index.jsp?c_id=cws#list=cws |title=White Sox 2013 Prospect Watch |publisher=Chicago.whitesox.mlb.com |access-date=December 14, 2013 |archive-date=April 20, 2019 |archive-url=https://web.archive.org/web/20190420154417/http://chicago.whitesox.mlb.com/mlb/prospects/watch/y2013/index.jsp?c_id=cws#list=cws |url-status=dead }}</ref> Walker was promoted to [[Double-A (baseball)|Double-A]] [[Birmingham Barons]] before the start of the 2013 season. Walker spent the entire season in Birmingham and he batted .201 in 462 at bats with three home runs, 32 RBI, and 38 stolen bases. Walker split the 2014 and 2015 seasons between the advanced Single-A [[Winston-Salem Dash]] and Double-A [[Birmingham Barons]], slashing .197/.277/.265 between the two in 2014, and .226/.308/.286 in 2015. Walker spent the entirety of 2016 in Birmingham, hitting .240/.330/.340 with home runs and 28 RBI in 329 at-bats.<ref>{{Cite web|url=https://www.baseball-reference.com/register/player.fcgi?id=walker001kee|title = Keenyn Walker Minor & Independent Leagues Statistics & History}}</ref> Walker was released by the White Sox on April 4, 2017.<ref>{{cite web|url=https://www.mlbtraderumors.com/2017/04/mets-sign-josh-rodriguez-minors.html|title=Minor MLB Transactions: 4/4/17|work=MLB Trade Rumors|date=April 4, 2017|access-date=April 4, 2017|first=Steve|last=Adams}}</ref>
