Advancement: Top three teams plus top three lowest individuals, including all ties for third, excluding those individuals who advance with a team. All advance to the Lafayette Jeff Regional at Battleground on June 7.
When, where: 8 a.m. Friday, Palmira.
Teams participating: Andrean, Boone Grove, Calumet, Crown Point, E.C. Central, Griffith, Highland, Lake Central, Lowell, Merrillville, Munster, Whiting.
Favorite: Crown Point. Darkhorse: Lake Central.
Players to watch: Andrean — Jack Musgrave, Jr.; Brendan Mulshine, Jr. Boone Grove — Brad Bobrowski, Jr.; Jeremy Shaffer, Jr. Calumet — David Guerrero, Sr. Crown Point — Mike Lee, So.; Matt Mudd, Sr.; Pat Mudd, Sr.; Luke Lambert, Sr.; Grant Miller, Fr. Griffith — Jake Loomis, Sr.; Mark Plawecki, Jr. Highland — Nick Elish, Sr.; Nick Canham, Sr.; Taylor Peters, Jr. Lake Central — Matt Meneghetti, Jr.; Jono Gross, Sr.; Rhett Barker, Jr. Merrillville — Naim Muhammad, Sr. Munster — AJ Gauthier, Sr.; Matt Specht, Jr.; Kyle Wilkinson, Jr.; Ronak Tilva, Sr.; Luke Wuchenich, Jr. Whiting — Jake Jacobson, So.; Houston Shimala, Jr.; Sam Novak, Sr.
Fast fact: Lake Central won last season's sectional title.
When, where: 8 a.m. Friday, Beechwood.
Teams participating: Hammond, Hanover Central, Knox, LaCrosse, LaPorte, Marquette, Michigan City, Morton, New Prairie, North Judson, Oregon-Davis, River Forest, South Central, Westville.
Favorite: Michigan City. Darkhorse: LaPorte.
Players to watch: Hanover Central: Josh Hayes, Fr.; Dan Kubiak, Sr. LaPorte — Zach Liberatore, Sr. Marquette -- Jack Clancy, Sr.; Patrick Roder, Sr. Michigan City — Ryan Brinckman, Sr.; Aaron Skibinski, Fr.
Fast fact: The host Slicers lead the field with 16 titles.
When, where: 8:30 a.m. Friday, Dykeman Park
Teams participating: Caston, Delphi, Frontier, Kankakee Valley, Logansport, North Newton, Pioneer, Rensselaer, Rochester, South Newton, Tri-County, Twin Lakes, West Central, Winamac.
Players to watch: Rensselaer — Jacob Spurgeon, Jr.; Isaac Hillan, Sr.; Allen Barton, Sr.
Fast fact: K.V. and North Newton have never won a sectional championship, while Rensselaer's last title was in 1985.
When, where: 8:30 a.m. Friday, Forest Park.
Teams participating: Bishop Noll, Chesterton, Clark, Hobart, Morgan Township, Portage, Valparaiso, Washington Township, Wheeler.
Favorite: Valparaiso. Darkhorse: Chesterton.
Players to watch: Chesterton — John Kelley, Sr.; Brandon Martin, Sr.; Evan Zondor, Sr. Portage — Jordan Henson, Jr.; Nick Lewis, Sr. Valparaiso — Patrick Andrie, Sr.; Andrew Gariup, Sr.; Bobby Jacobs, Sr.; Kyle Meihofer, Sr.; Alex Pancek, Sr. Wheeler — Drew Heinold, Sr.; David Sparks, Jr.; Brad Young, Jr.
Fast fact: Chesterton is the defending champion, while the host Vikings lead the field with 21 titles.