Here is the latest Mid-America sports news from The Associated Press

KANSAS CITY, Mo. (AP) — The Kansas City Chiefs have tried to make their offseason roster turnover about youth, speed and aggressive play. It is an approach coach Andy Reid underscored with the official introduction of new arrivals Sammy Watkins and Anthony Hitchens. Watkins will give new starting quarterback Patrick Mahomes more speed and skill at wide receiver. Hitchens will step in at linebacker.

SAN DIEGO (AP) — NCAA Tournament regular Wichita State will open play facing inexperienced Marshall, which nonetheless is entertaining because of coach Dan D’Antoni’s connections to the NBA. The Thundering Herd runs a lot of NBA plays. The Shockers are making their seventh straight NCAA Tournament appearance and 15th overall. The Thundering Herd is making its first appearance since 1987.

WICHITA, Kan. (AP) — Devonte Graham ignited sluggish Kansas midway through the first half, pouring in 29 points and lifting the top-seeded Jayhawks to a tough 76-60 victory over No. 16 Penn in the opening round of the NCAA Tournament. Lagerald Vick added 14 points for the Jayhawks, who trailed the Ivy League champs by 10 in the early stages before going on a 19-2 run late in the first half to take control. A.J. Brodeur finished with 14 points to lead Penn.

NASHVILLE, Tenn. (AP) — Missouri freshman Michael Porter Jr. is one of the biggest unknowns in the NCAA Tournament. Not that he minds at all. Porter says people can say what they want because he’s pretty good at focusing on what’s important for himself. Porter is a big topic of conversation if only because he came in as a preseason All-American yet has only played a total of 25 minutes over two games because of back surgery. The Tigers play Florida State in the first round of the West Region.

WICHITA, Kan. (AP) — Rob Gray drove for a wind-milling layup that just trickled over the rim with 1.1 seconds left, and Trey Kell’s off-balance 3 at the buzzer was no good, giving No. 6 seed Houston a 67-65 victory over 11th-seeded San Diego State in the first round of the NCAA Tournament. The Cougars advanced to play the Michigan-Montana winner in the second round on Saturday.

WICHITA, Kan. (AP) — Khadeen Carrington scored 26 points, Desi Rodriguez added 20 and eighth-seeded Seton Hall beat North Carolina State 94-83 in a foul-filled first-round matchup in the NCAA Tournament. Myles Powell added 19 points as the Pirates advanced to face Kansas in the second round. Allerik Freeman had 36 points to lead the Wolfpack.

CHARLOTTE, N.C. (AP) — Every now and again Virginia coach Tony Bennett keeps a doorknocker in the Cavaliers locker room back in Charlottesville as reminder of what his team hopes to do this year to “break down the door” and reach the Final Four. Despite being a No. 1 seed twice and a No. 2 seed once in the previous four seasons, Virginia hasn’t been able to reach that goal under Bennett. The top-seeded Cavaliers open tournament play Friday against 16th-seeded UMBC.